diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js
index c3ece1c65..5694c0ec1 100644
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
@@ -703,6 +703,7 @@
      * @param {Object} [options1, options2, ...] The compile options object(s).
      *  arrays - A string of code to determine if the iterable is an array or array-like.
      *  useHas - A boolean to specify using `hasOwnProperty` checks in the object loop.
+     *  useKeys - A boolean to specify using `_.keys` for own property iteration.
      *  args - A string of comma separated arguments the iteration function will accept.
      *  top - A string of code to execute before the iteration branches.
      *  loop - A string of code to execute in the object loop.
@@ -1262,7 +1263,9 @@
      * @returns {Mixed} Returns the key of the found element, else `undefined`.
      * @example
      *
-     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) { return num % 2 == 0; });
+     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 'b'
      */
     function findKey(object, callback, thisArg) {
@@ -1537,11 +1540,8 @@
     function isEqual(a, b, callback, thisArg, stackA, stackB) {
       // used to indicate that when comparing objects, `a` has at least the properties of `b`
       var whereIndicator = callback === indicatorObject;
-      if (callback && !whereIndicator) {
-        callback = (typeof thisArg == 'undefined')
-          ? callback
-          : lodash.createCallback(callback, thisArg, 2);
-
+      if (typeof callback == 'function' && !whereIndicator) {
+        callback = lodash.createCallback(callback, thisArg, 2);
         var result = callback(a, b);
         if (typeof result != 'undefined') {
           return !!result;
@@ -2492,7 +2492,9 @@
      * @returns {Mixed} Returns the found element, else `undefined`.
      * @example
      *
-     * _.find([1, 2, 3, 4], function(num) { return num % 2 == 0; });
+     * _.find([1, 2, 3, 4], function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 2
      *
      * var food = [
@@ -4430,44 +4432,53 @@
     /**
      * Creates a function that will delay the execution of `func` until after
      * `wait` milliseconds have elapsed since the last time it was invoked. Pass
-     * `true` for `immediate` to cause debounce to invoke `func` on the leading,
-     * instead of the trailing, edge of the `wait` timeout. Subsequent calls to
-     * the debounced function will return the result of the last `func` call.
+     * an `options` object to indicate that `func` should be invoked on the leading
+     * and/or trailing edge of the `wait` timeout. Subsequent calls to the debounced
+     * function will return the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to debounce.
      * @param {Number} wait The number of milliseconds to delay.
-     * @param {Boolean} immediate A flag to indicate execution is on the leading
-     *  edge of the timeout.
+     * @param {Object} options The options object.
+     *  [leading=false] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new debounced function.
      * @example
      *
      * var lazyLayout = _.debounce(calculateLayout, 300);
      * jQuery(window).on('resize', lazyLayout);
      */
-    function debounce(func, wait, immediate) {
+    function debounce(func, wait, options) {
       var args,
           result,
           thisArg,
-          timeoutId;
+          timeoutId,
+          trailing = true;
 
       function delayed() {
         timeoutId = null;
-        if (!immediate) {
+        if (trailing) {
           result = func.apply(thisArg, args);
         }
       }
+      if (options === true) {
+        var leading = true;
+        trailing = false;
+      } else if (options) {
+        leading = options.leading;
+        trailing = options.trailing;
+      }
       return function() {
-        var isImmediate = immediate && !timeoutId;
+        var isLeading = leading && !timeoutId;
         args = arguments;
         thisArg = this;
 
         clearTimeout(timeoutId);
         timeoutId = setTimeout(delayed, wait);
 
-        if (isImmediate) {
+        if (isLeading) {
           result = func.apply(thisArg, args);
         }
         return result;
@@ -4637,39 +4648,57 @@
     }
 
     /**
-     * Creates a function that, when executed, will only call the `func`
-     * function at most once per every `wait` milliseconds. If the throttled
-     * function is invoked more than once during the `wait` timeout, `func` will
-     * also be called on the trailing edge of the timeout. Subsequent calls to the
-     * throttled function will return the result of the last `func` call.
+     * Creates a function that, when executed, will only call the `func` function
+     * at most once per every `wait` milliseconds. If the throttled function is
+     * invoked more than once during the `wait` timeout, `func` will also be called
+     * on the trailing edge of the timeout. Pass an `options` object to indicate
+     * that `func` should be invoked on the leading and/or trailing edge of the
+     * `wait` timeout. Subsequent calls to the throttled function will return
+     * the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to throttle.
      * @param {Number} wait The number of milliseconds to throttle executions to.
+     * @param {Object} options The options object.
+     *  [leading=true] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new throttled function.
      * @example
      *
      * var throttled = _.throttle(updatePosition, 100);
      * jQuery(window).on('scroll', throttled);
      */
-    function throttle(func, wait) {
+    function throttle(func, wait, options) {
       var args,
           result,
           thisArg,
           timeoutId,
-          lastCalled = 0;
+          lastCalled = 0,
+          leading = true,
+          trailing = true;
 
       function trailingCall() {
         lastCalled = new Date;
         timeoutId = null;
-        result = func.apply(thisArg, args);
+
+        if (trailing) {
+          result = func.apply(thisArg, args);
+        }
+      }
+      if (options === false) {
+        leading = false;
+      } else if (options) {
+        leading = options.leading;
+        trailing = options.trailing;
       }
       return function() {
-        var now = new Date,
-            remaining = wait - (now - lastCalled);
-
+        var now = new Date;
+        if (!timeoutId && !leading) {
+          lastCalled = now;
+        }
+        var remaining = wait - (now - lastCalled);
         args = arguments;
         thisArg = this;
 
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index 53af00dc6..e76237199 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -9,7 +9,7 @@ return a||(n=t[i]),e.length&&(r=r.length?(r=G(r),f?r.concat(e):e.concat(r)):e),t
 else if(r+="for(i in m){",(fe.enumPrototypes||t.i)&&(r+="if(",fe.enumPrototypes&&(r+="!(v&&i=='prototype')"),fe.enumPrototypes&&t.i&&(r+="&&"),t.i&&(r+="h.call(m,i)"),r+="){"),r+=t.f+";",(fe.enumPrototypes||t.i)&&(r+="}"),r+="}",fe.nonEnumShadows){r+="var f=m.constructor;";for(var u=0;7>u;u++)r+="i='"+t.g[u]+"';if(","constructor"==t.g[u]&&(r+="!(f&&f.prototype===m)&&"),r+="h.call(m,i)){"+t.f+"}"}return(t.b||fe.nonEnumArgs)&&(r+="}"),r+=t.c+";return u",e("h,j,k,l,o,p,r","return function("+n+"){"+r+"}")(Gt,J,ce,et,pe,a,N)
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+return r},a.zipObject=wt,a.collect=lt,a.drop=dt,a.each=ct,a.extend=he,a.methods=W,a.object=wt,a.select=it,a.tail=dt,a.unique=_t,xt(a),a.clone=Q,a.cloneDeep=function(n,t,e){return Q(n,!0,t,e)},a.contains=at,a.escape=function(n){return null==n?"":Bt(n).replace(d,L)},a.every=ot,a.find=ft,a.findIndex=function(n,t,e){var r=-1,u=n?n.length:0;for(t=a.createCallback(t,e);++r<u;)if(t(n[r],r,n))return r;return-1},a.findKey=function(n,t,e){var r;return t=a.createCallback(t,e),de(n,function(n,e,u){return t(n,e,u)?(r=e,!1):void 0
+}),r},a.has=function(n,t){return n?Gt.call(n,t):!1},a.identity=kt,a.indexOf=mt,a.isArguments=J,a.isArray=ce,a.isBoolean=function(n){return!0===n||!1===n||Wt.call(n)==k},a.isDate=function(n){return n instanceof At||Wt.call(n)==x},a.isElement=function(n){return n?1===n.nodeType:!1},a.isEmpty=function(n){var t=!0;if(!n)return t;var e=Wt.call(n),r=n.length;return e==j||e==I||(fe.argsClass?e==C:J(n))||e==S&&typeof r=="number"&&Z(n.splice)?!r:(de(n,function(){return t=!1}),t)},a.isEqual=Y,a.isFinite=function(n){return Zt(n)&&!ne(parseFloat(n))
+},a.isFunction=Z,a.isNaN=function(n){return tt(n)&&n!=+n},a.isNull=function(n){return null===n},a.isNumber=tt,a.isObject=nt,a.isPlainObject=be,a.isRegExp=function(n){return n instanceof qt||Wt.call(n)==A},a.isString=et,a.isUndefined=function(n){return typeof n=="undefined"},a.lastIndexOf=function(n,t,e){var r=n?n.length:0;for(typeof e=="number"&&(r=(0>e?ee(0,r+e):re(e,r-1))+1);r--;)if(n[r]===t)return r;return-1},a.mixin=xt,a.noConflict=function(){return r._=Dt,this},a.parseInt=Jt,a.random=function(n,t){return null==n&&null==t&&(t=1),n=+n||0,null==t&&(t=n,n=0),n+Ut(ae()*((+t||0)-n+1))
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diff --git a/dist/lodash.js b/dist/lodash.js
index 05c878b42..3cdce1158 100644
--- a/dist/lodash.js
+++ b/dist/lodash.js
@@ -552,6 +552,7 @@
      * @param {Object} [options1, options2, ...] The compile options object(s).
      *  arrays - A string of code to determine if the iterable is an array or array-like.
      *  useHas - A boolean to specify using `hasOwnProperty` checks in the object loop.
+     *  useKeys - A boolean to specify using `_.keys` for own property iteration.
      *  args - A string of comma separated arguments the iteration function will accept.
      *  top - A string of code to execute before the iteration branches.
      *  loop - A string of code to execute in the object loop.
@@ -1060,7 +1061,9 @@
      * @returns {Mixed} Returns the key of the found element, else `undefined`.
      * @example
      *
-     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) { return num % 2 == 0; });
+     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 'b'
      */
     function findKey(object, callback, thisArg) {
@@ -1334,11 +1337,8 @@
     function isEqual(a, b, callback, thisArg, stackA, stackB) {
       // used to indicate that when comparing objects, `a` has at least the properties of `b`
       var whereIndicator = callback === indicatorObject;
-      if (callback && !whereIndicator) {
-        callback = (typeof thisArg == 'undefined')
-          ? callback
-          : lodash.createCallback(callback, thisArg, 2);
-
+      if (typeof callback == 'function' && !whereIndicator) {
+        callback = lodash.createCallback(callback, thisArg, 2);
         var result = callback(a, b);
         if (typeof result != 'undefined') {
           return !!result;
@@ -2280,7 +2280,9 @@
      * @returns {Mixed} Returns the found element, else `undefined`.
      * @example
      *
-     * _.find([1, 2, 3, 4], function(num) { return num % 2 == 0; });
+     * _.find([1, 2, 3, 4], function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 2
      *
      * var food = [
@@ -4228,44 +4230,53 @@
     /**
      * Creates a function that will delay the execution of `func` until after
      * `wait` milliseconds have elapsed since the last time it was invoked. Pass
-     * `true` for `immediate` to cause debounce to invoke `func` on the leading,
-     * instead of the trailing, edge of the `wait` timeout. Subsequent calls to
-     * the debounced function will return the result of the last `func` call.
+     * an `options` object to indicate that `func` should be invoked on the leading
+     * and/or trailing edge of the `wait` timeout. Subsequent calls to the debounced
+     * function will return the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to debounce.
      * @param {Number} wait The number of milliseconds to delay.
-     * @param {Boolean} immediate A flag to indicate execution is on the leading
-     *  edge of the timeout.
+     * @param {Object} options The options object.
+     *  [leading=false] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new debounced function.
      * @example
      *
      * var lazyLayout = _.debounce(calculateLayout, 300);
      * jQuery(window).on('resize', lazyLayout);
      */
-    function debounce(func, wait, immediate) {
+    function debounce(func, wait, options) {
       var args,
           result,
           thisArg,
-          timeoutId;
+          timeoutId,
+          trailing = true;
 
       function delayed() {
         timeoutId = null;
-        if (!immediate) {
+        if (trailing) {
           result = func.apply(thisArg, args);
         }
       }
+      if (options === true) {
+        var leading = true;
+        trailing = false;
+      } else if (options) {
+        leading = options.leading;
+        trailing = options.trailing;
+      }
       return function() {
-        var isImmediate = immediate && !timeoutId;
+        var isLeading = leading && !timeoutId;
         args = arguments;
         thisArg = this;
 
         clearTimeout(timeoutId);
         timeoutId = setTimeout(delayed, wait);
 
-        if (isImmediate) {
+        if (isLeading) {
           result = func.apply(thisArg, args);
         }
         return result;
@@ -4435,39 +4446,57 @@
     }
 
     /**
-     * Creates a function that, when executed, will only call the `func`
-     * function at most once per every `wait` milliseconds. If the throttled
-     * function is invoked more than once during the `wait` timeout, `func` will
-     * also be called on the trailing edge of the timeout. Subsequent calls to the
-     * throttled function will return the result of the last `func` call.
+     * Creates a function that, when executed, will only call the `func` function
+     * at most once per every `wait` milliseconds. If the throttled function is
+     * invoked more than once during the `wait` timeout, `func` will also be called
+     * on the trailing edge of the timeout. Pass an `options` object to indicate
+     * that `func` should be invoked on the leading and/or trailing edge of the
+     * `wait` timeout. Subsequent calls to the throttled function will return
+     * the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to throttle.
      * @param {Number} wait The number of milliseconds to throttle executions to.
+     * @param {Object} options The options object.
+     *  [leading=true] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new throttled function.
      * @example
      *
      * var throttled = _.throttle(updatePosition, 100);
      * jQuery(window).on('scroll', throttled);
      */
-    function throttle(func, wait) {
+    function throttle(func, wait, options) {
       var args,
           result,
           thisArg,
           timeoutId,
-          lastCalled = 0;
+          lastCalled = 0,
+          leading = true,
+          trailing = true;
 
       function trailingCall() {
         lastCalled = new Date;
         timeoutId = null;
-        result = func.apply(thisArg, args);
+
+        if (trailing) {
+          result = func.apply(thisArg, args);
+        }
+      }
+      if (options === false) {
+        leading = false;
+      } else if (options) {
+        leading = options.leading;
+        trailing = options.trailing;
       }
       return function() {
-        var now = new Date,
-            remaining = wait - (now - lastCalled);
-
+        var now = new Date;
+        if (!timeoutId && !leading) {
+          lastCalled = now;
+        }
+        var remaining = wait - (now - lastCalled);
         args = arguments;
         thisArg = this;
 
diff --git a/dist/lodash.min.js b/dist/lodash.min.js
index bb907d0e0..eb9432d24 100644
--- a/dist/lodash.min.js
+++ b/dist/lodash.min.js
@@ -4,40 +4,41 @@
  * Build: `lodash modern -o ./dist/lodash.js`
  * Underscore.js 1.4.4 underscorejs.org/LICENSE
  */
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diff --git a/dist/lodash.underscore.js b/dist/lodash.underscore.js
index cedb22d6d..b5f7cb9b6 100644
--- a/dist/lodash.underscore.js
+++ b/dist/lodash.underscore.js
@@ -1612,7 +1612,9 @@
    * @returns {Mixed} Returns the found element, else `undefined`.
    * @example
    *
-   * _.find([1, 2, 3, 4], function(num) { return num % 2 == 0; });
+   * _.find([1, 2, 3, 4], function(num) {
+   *   return num % 2 == 0;
+   * });
    * // => 2
    *
    * var food = [
@@ -3425,44 +3427,53 @@
   /**
    * Creates a function that will delay the execution of `func` until after
    * `wait` milliseconds have elapsed since the last time it was invoked. Pass
-   * `true` for `immediate` to cause debounce to invoke `func` on the leading,
-   * instead of the trailing, edge of the `wait` timeout. Subsequent calls to
-   * the debounced function will return the result of the last `func` call.
+   * an `options` object to indicate that `func` should be invoked on the leading
+   * and/or trailing edge of the `wait` timeout. Subsequent calls to the debounced
+   * function will return the result of the last `func` call.
    *
    * @static
    * @memberOf _
    * @category Functions
    * @param {Function} func The function to debounce.
    * @param {Number} wait The number of milliseconds to delay.
-   * @param {Boolean} immediate A flag to indicate execution is on the leading
-   *  edge of the timeout.
+   * @param {Object} options The options object.
+   *  [leading=false] A boolean to specify execution on the leading edge of the timeout.
+   *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
    * @returns {Function} Returns the new debounced function.
    * @example
    *
    * var lazyLayout = _.debounce(calculateLayout, 300);
    * jQuery(window).on('resize', lazyLayout);
    */
-  function debounce(func, wait, immediate) {
+  function debounce(func, wait, options) {
     var args,
         result,
         thisArg,
-        timeoutId;
+        timeoutId,
+        trailing = true;
 
     function delayed() {
       timeoutId = null;
-      if (!immediate) {
+      if (trailing) {
         result = func.apply(thisArg, args);
       }
     }
+    if (options === true) {
+      var leading = true;
+      trailing = false;
+    } else if (options) {
+      leading = options.leading;
+      trailing = options.trailing;
+    }
     return function() {
-      var isImmediate = immediate && !timeoutId;
+      var isLeading = leading && !timeoutId;
       args = arguments;
       thisArg = this;
 
       clearTimeout(timeoutId);
       timeoutId = setTimeout(delayed, wait);
 
-      if (isImmediate) {
+      if (isLeading) {
         result = func.apply(thisArg, args);
       }
       return result;
@@ -3597,39 +3608,57 @@
   }
 
   /**
-   * Creates a function that, when executed, will only call the `func`
-   * function at most once per every `wait` milliseconds. If the throttled
-   * function is invoked more than once during the `wait` timeout, `func` will
-   * also be called on the trailing edge of the timeout. Subsequent calls to the
-   * throttled function will return the result of the last `func` call.
+   * Creates a function that, when executed, will only call the `func` function
+   * at most once per every `wait` milliseconds. If the throttled function is
+   * invoked more than once during the `wait` timeout, `func` will also be called
+   * on the trailing edge of the timeout. Pass an `options` object to indicate
+   * that `func` should be invoked on the leading and/or trailing edge of the
+   * `wait` timeout. Subsequent calls to the throttled function will return
+   * the result of the last `func` call.
    *
    * @static
    * @memberOf _
    * @category Functions
    * @param {Function} func The function to throttle.
    * @param {Number} wait The number of milliseconds to throttle executions to.
+   * @param {Object} options The options object.
+   *  [leading=true] A boolean to specify execution on the leading edge of the timeout.
+   *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
    * @returns {Function} Returns the new throttled function.
    * @example
    *
    * var throttled = _.throttle(updatePosition, 100);
    * jQuery(window).on('scroll', throttled);
    */
-  function throttle(func, wait) {
+  function throttle(func, wait, options) {
     var args,
         result,
         thisArg,
         timeoutId,
-        lastCalled = 0;
+        lastCalled = 0,
+        leading = true,
+        trailing = true;
 
     function trailingCall() {
       lastCalled = new Date;
       timeoutId = null;
-      result = func.apply(thisArg, args);
+
+      if (trailing) {
+        result = func.apply(thisArg, args);
+      }
+    }
+    if (options === false) {
+      leading = false;
+    } else if (options) {
+      leading = options.leading;
+      trailing = options.trailing;
     }
     return function() {
-      var now = new Date,
-          remaining = wait - (now - lastCalled);
-
+      var now = new Date;
+      if (!timeoutId && !leading) {
+        lastCalled = now;
+      }
+      var remaining = wait - (now - lastCalled);
       args = arguments;
       thisArg = this;
 
diff --git a/dist/lodash.underscore.min.js b/dist/lodash.underscore.min.js
index db122b56d..6057ab5b8 100644
--- a/dist/lodash.underscore.min.js
+++ b/dist/lodash.underscore.min.js
@@ -5,10 +5,10 @@
  * Underscore.js 1.4.4 underscorejs.org/LICENSE
  */
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+return u||(n=t[i]),r.length&&(f=f.length?(f=Ot.call(f),a?f.concat(r):r.concat(f)):r),this instanceof e?(l.prototype=n.prototype,c=new l,l.prototype=J,f=n.apply(c,f),b(f)?f:c):n.apply(c,f)}var u=d(n),o=!r,i=t;if(o){var a=void 0;r=t}else if(!u)throw new TypeError;return e}function a(n){return"\\"+gt[n]}function f(n){return zt[n]}function c(n){this.__wrapped__=n}function l(){}function p(n){return Ct[n]}function s(n){return Et.call(n)==ot}function v(n){if(!n)return n;for(var t=1,r=arguments.length;t<r;t++){var e=arguments[t];
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\ No newline at end of file
diff --git a/doc/README.md b/doc/README.md
index 2fafd6ed7..b5b69ccc9 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -95,14 +95,14 @@
 * [`_.bindKey`](#_bindkeyobject-key--arg1-arg2-)
 * [`_.compose`](#_composefunc1-func2-)
 * [`_.createCallback`](#_createcallbackfuncidentity-thisarg-argcount3)
-* [`_.debounce`](#_debouncefunc-wait-immediate)
+* [`_.debounce`](#_debouncefunc-wait-options)
 * [`_.defer`](#_deferfunc--arg1-arg2-)
 * [`_.delay`](#_delayfunc-wait--arg1-arg2-)
 * [`_.memoize`](#_memoizefunc--resolver)
 * [`_.once`](#_oncefunc)
 * [`_.partial`](#_partialfunc--arg1-arg2-)
 * [`_.partialRight`](#_partialrightfunc--arg1-arg2-)
-* [`_.throttle`](#_throttlefunc-wait)
+* [`_.throttle`](#_throttlefunc-wait-options)
 * [`_.wrap`](#_wrapvalue-wrapper)
 
 <!-- /div -->
@@ -214,7 +214,7 @@
 <!-- div -->
 
 ### <a id="_compactarray"></a>`_.compact(array)`
-<a href="#_compactarray">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3257 "View in source") [&#x24C9;][1]
+<a href="#_compactarray">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3259 "View in source") [&#x24C9;][1]
 
 Creates an array with all falsey values of `array` removed. The values `false`, `null`, `0`, `""`, `undefined` and `NaN` are all falsey.
 
@@ -238,7 +238,7 @@ _.compact([0, 1, false, 2, '', 3]);
 <!-- div -->
 
 ### <a id="_differencearray--array1-array2-"></a>`_.difference(array [, array1, array2, ...])`
-<a href="#_differencearray--array1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3287 "View in source") [&#x24C9;][1]
+<a href="#_differencearray--array1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3289 "View in source") [&#x24C9;][1]
 
 Creates an array of `array` elements not present in the other arrays using strict equality for comparisons, i.e. `===`.
 
@@ -263,7 +263,7 @@ _.difference([1, 2, 3, 4, 5], [5, 2, 10]);
 <!-- div -->
 
 ### <a id="_findindexarray--callbackidentity-thisarg"></a>`_.findIndex(array [, callback=identity, thisArg])`
-<a href="#_findindexarray--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3323 "View in source") [&#x24C9;][1]
+<a href="#_findindexarray--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3325 "View in source") [&#x24C9;][1]
 
 This method is similar to `_.find`, except that it returns the index of the element that passes the callback check, instead of the element itself.
 
@@ -291,7 +291,7 @@ _.findIndex(['apple', 'banana', 'beet'], function(food) {
 <!-- div -->
 
 ### <a id="_firstarray--callbackn-thisarg"></a>`_.first(array [, callback|n, thisArg])`
-<a href="#_firstarray--callbackn-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3393 "View in source") [&#x24C9;][1]
+<a href="#_firstarray--callbackn-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3395 "View in source") [&#x24C9;][1]
 
 Gets the first element of the `array`. If a number `n` is passed, the first `n` elements of the `array` are returned. If a `callback` function is passed, elements at the beginning of the array are returned as long as the `callback` returns truthy. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index, array)*.
 
@@ -351,7 +351,7 @@ _.first(food, { 'type': 'fruit' });
 <!-- div -->
 
 ### <a id="_flattenarray--isshallowfalse-callbackidentity-thisarg"></a>`_.flatten(array [, isShallow=false, callback=identity, thisArg])`
-<a href="#_flattenarray--isshallowfalse-callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3455 "View in source") [&#x24C9;][1]
+<a href="#_flattenarray--isshallowfalse-callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3457 "View in source") [&#x24C9;][1]
 
 Flattens a nested array *(the nesting can be to any depth)*. If `isShallow` is truthy, `array` will only be flattened a single level. If `callback` is passed, each element of `array` is passed through a callback` before flattening. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index, array)*.
 
@@ -394,7 +394,7 @@ _.flatten(stooges, 'quotes');
 <!-- div -->
 
 ### <a id="_indexofarray-value--fromindex0"></a>`_.indexOf(array, value [, fromIndex=0])`
-<a href="#_indexofarray-value--fromindex0">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3508 "View in source") [&#x24C9;][1]
+<a href="#_indexofarray-value--fromindex0">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3510 "View in source") [&#x24C9;][1]
 
 Gets the index at which the first occurrence of `value` is found using strict equality for comparisons, i.e. `===`. If the `array` is already sorted, passing `true` for `fromIndex` will run a faster binary search.
 
@@ -426,7 +426,7 @@ _.indexOf([1, 1, 2, 2, 3, 3], 2, true);
 <!-- div -->
 
 ### <a id="_initialarray--callbackn1-thisarg"></a>`_.initial(array [, callback|n=1, thisArg])`
-<a href="#_initialarray--callbackn1-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3582 "View in source") [&#x24C9;][1]
+<a href="#_initialarray--callbackn1-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3584 "View in source") [&#x24C9;][1]
 
 Gets all but the last element of `array`. If a number `n` is passed, the last `n` elements are excluded from the result. If a `callback` function is passed, elements at the end of the array are excluded from the result as long as the `callback` returns truthy. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index, array)*.
 
@@ -483,7 +483,7 @@ _.initial(food, { 'type': 'vegetable' });
 <!-- div -->
 
 ### <a id="_intersectionarray1-array2-"></a>`_.intersection([array1, array2, ...])`
-<a href="#_intersectionarray1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3616 "View in source") [&#x24C9;][1]
+<a href="#_intersectionarray1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3618 "View in source") [&#x24C9;][1]
 
 Computes the intersection of all the passed-in arrays using strict equality for comparisons, i.e. `===`.
 
@@ -507,7 +507,7 @@ _.intersection([1, 2, 3], [101, 2, 1, 10], [2, 1]);
 <!-- div -->
 
 ### <a id="_lastarray--callbackn-thisarg"></a>`_.last(array [, callback|n, thisArg])`
-<a href="#_lastarray--callbackn-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3708 "View in source") [&#x24C9;][1]
+<a href="#_lastarray--callbackn-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3710 "View in source") [&#x24C9;][1]
 
 Gets the last element of the `array`. If a number `n` is passed, the last `n` elements of the `array` are returned. If a `callback` function is passed, elements at the end of the array are returned as long as the `callback` returns truthy. The `callback` is bound to `thisArg` and invoked with three arguments;(value, index, array).
 
@@ -564,7 +564,7 @@ _.last(food, { 'type': 'vegetable' });
 <!-- div -->
 
 ### <a id="_lastindexofarray-value--fromindexarraylength-1"></a>`_.lastIndexOf(array, value [, fromIndex=array.length-1])`
-<a href="#_lastindexofarray-value--fromindexarraylength-1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3749 "View in source") [&#x24C9;][1]
+<a href="#_lastindexofarray-value--fromindexarraylength-1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3751 "View in source") [&#x24C9;][1]
 
 Gets the index at which the last occurrence of `value` is found using strict equality for comparisons, i.e. `===`. If `fromIndex` is negative, it is used as the offset from the end of the collection.
 
@@ -593,7 +593,7 @@ _.lastIndexOf([1, 2, 3, 1, 2, 3], 2, 3);
 <!-- div -->
 
 ### <a id="_rangestart0-end--step1"></a>`_.range([start=0], end [, step=1])`
-<a href="#_rangestart0-end--step1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3790 "View in source") [&#x24C9;][1]
+<a href="#_rangestart0-end--step1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3792 "View in source") [&#x24C9;][1]
 
 Creates an array of numbers *(positive and/or negative)* progressing from `start` up to but not including `end`.
 
@@ -631,7 +631,7 @@ _.range(0);
 <!-- div -->
 
 ### <a id="_restarray--callbackn1-thisarg"></a>`_.rest(array [, callback|n=1, thisArg])`
-<a href="#_restarray--callbackn1-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3869 "View in source") [&#x24C9;][1]
+<a href="#_restarray--callbackn1-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3871 "View in source") [&#x24C9;][1]
 
 The opposite of `_.initial`, this method gets all but the first value of `array`. If a number `n` is passed, the first `n` values are excluded from the result. If a `callback` function is passed, elements at the beginning of the array are excluded from the result as long as the `callback` returns truthy. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index, array)*.
 
@@ -691,7 +691,7 @@ _.rest(food, { 'type': 'fruit' });
 <!-- div -->
 
 ### <a id="_sortedindexarray-value--callbackidentity-thisarg"></a>`_.sortedIndex(array, value [, callback=identity, thisArg])`
-<a href="#_sortedindexarray-value--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3933 "View in source") [&#x24C9;][1]
+<a href="#_sortedindexarray-value--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3935 "View in source") [&#x24C9;][1]
 
 Uses a binary search to determine the smallest index at which the `value` should be inserted into `array` in order to maintain the sort order of the sorted `array`. If `callback` is passed, it will be executed for `value` and each element in `array` to compute their sort ranking. The `callback` is bound to `thisArg` and invoked with one argument; *(value)*.
 
@@ -740,7 +740,7 @@ _.sortedIndex(['twenty', 'thirty', 'fifty'], 'fourty', function(word) {
 <!-- div -->
 
 ### <a id="_unionarray1-array2-"></a>`_.union([array1, array2, ...])`
-<a href="#_unionarray1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3965 "View in source") [&#x24C9;][1]
+<a href="#_unionarray1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3967 "View in source") [&#x24C9;][1]
 
 Computes the union of the passed-in arrays using strict equality for comparisons, i.e. `===`.
 
@@ -764,7 +764,7 @@ _.union([1, 2, 3], [101, 2, 1, 10], [2, 1]);
 <!-- div -->
 
 ### <a id="_uniqarray--issortedfalse-callbackidentity-thisarg"></a>`_.uniq(array [, isSorted=false, callback=identity, thisArg])`
-<a href="#_uniqarray--issortedfalse-callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4012 "View in source") [&#x24C9;][1]
+<a href="#_uniqarray--issortedfalse-callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4014 "View in source") [&#x24C9;][1]
 
 Creates a duplicate-value-free version of the `array` using strict equality for comparisons, i.e. `===`. If the `array` is already sorted, passing `true` for `isSorted` will run a faster algorithm. If `callback` is passed, each element of `array` is passed through a callback` before uniqueness is computed. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index, array)*.
 
@@ -811,7 +811,7 @@ _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
 <!-- div -->
 
 ### <a id="_unziparray"></a>`_.unzip(array)`
-<a href="#_unziparray">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4070 "View in source") [&#x24C9;][1]
+<a href="#_unziparray">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4072 "View in source") [&#x24C9;][1]
 
 The inverse of `_.zip`, this method splits groups of elements into arrays composed of elements from each group at their corresponding indexes.
 
@@ -835,7 +835,7 @@ _.unzip([['moe', 30, true], ['larry', 40, false]]);
 <!-- div -->
 
 ### <a id="_withoutarray--value1-value2-"></a>`_.without(array [, value1, value2, ...])`
-<a href="#_withoutarray--value1-value2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4102 "View in source") [&#x24C9;][1]
+<a href="#_withoutarray--value1-value2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4104 "View in source") [&#x24C9;][1]
 
 Creates an array with all occurrences of the passed values removed using strict equality for comparisons, i.e. `===`.
 
@@ -860,7 +860,7 @@ _.without([1, 2, 1, 0, 3, 1, 4], 0, 1);
 <!-- div -->
 
 ### <a id="_ziparray1-array2-"></a>`_.zip([array1, array2, ...])`
-<a href="#_ziparray1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4133 "View in source") [&#x24C9;][1]
+<a href="#_ziparray1-array2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4135 "View in source") [&#x24C9;][1]
 
 Groups the elements of each array at their corresponding indexes. Useful for separate data sources that are coordinated through matching array indexes. For a matrix of nested arrays, `_.zip.apply(...)` can transpose the matrix in a similar fashion.
 
@@ -884,7 +884,7 @@ _.zip(['moe', 'larry'], [30, 40], [true, false]);
 <!-- div -->
 
 ### <a id="_zipobjectkeys--values"></a>`_.zipObject(keys [, values=[]])`
-<a href="#_zipobjectkeys--values">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4162 "View in source") [&#x24C9;][1]
+<a href="#_zipobjectkeys--values">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4164 "View in source") [&#x24C9;][1]
 
 Creates an object composed from arrays of `keys` and `values`. Pass either a single two dimensional array, i.e. `[[key1, value1], [key2, value2]]`, or two arrays, one of `keys` and one of corresponding `values`.
 
@@ -950,7 +950,7 @@ The wrapper functions `first` and `last` return wrapped values when `n` is passe
 <!-- div -->
 
 ### <a id="_tapvalue-interceptor"></a>`_.tap(value, interceptor)`
-<a href="#_tapvalue-interceptor">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5187 "View in source") [&#x24C9;][1]
+<a href="#_tapvalue-interceptor">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5216 "View in source") [&#x24C9;][1]
 
 Invokes `interceptor` with the `value` as the first argument, and then returns `value`. The purpose of this method is to "tap into" a method chain, in order to perform operations on intermediate results within the chain.
 
@@ -980,7 +980,7 @@ _([1, 2, 3, 4])
 <!-- div -->
 
 ### <a id="_prototypetostring"></a>`_.prototype.toString()`
-<a href="#_prototypetostring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5204 "View in source") [&#x24C9;][1]
+<a href="#_prototypetostring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5233 "View in source") [&#x24C9;][1]
 
 Produces the `toString` result of the wrapped value.
 
@@ -1001,7 +1001,7 @@ _([1, 2, 3]).toString();
 <!-- div -->
 
 ### <a id="_prototypevalueof"></a>`_.prototype.valueOf()`
-<a href="#_prototypevalueof">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5221 "View in source") [&#x24C9;][1]
+<a href="#_prototypevalueof">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5250 "View in source") [&#x24C9;][1]
 
 Extracts the wrapped value.
 
@@ -1226,7 +1226,7 @@ _.filter(food, { 'type': 'fruit' });
 <!-- div -->
 
 ### <a id="_findcollection--callbackidentity-thisarg"></a>`_.find(collection [, callback=identity, thisArg])`
-<a href="#_findcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2522 "View in source") [&#x24C9;][1]
+<a href="#_findcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2524 "View in source") [&#x24C9;][1]
 
 Examines each element in a `collection`, returning the first that the `callback` returns truthy for. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*.
 
@@ -1247,7 +1247,9 @@ If an object is passed for `callback`, the created "_.where" style callback will
 
 #### Example
 ```js
-_.find([1, 2, 3, 4], function(num) { return num % 2 == 0; });
+_.find([1, 2, 3, 4], function(num) {
+  return num % 2 == 0;
+});
 // => 2
 
 var food = [
@@ -1273,7 +1275,7 @@ _.find(food, 'organic');
 <!-- div -->
 
 ### <a id="_foreachcollection--callbackidentity-thisarg"></a>`_.forEach(collection [, callback=identity, thisArg])`
-<a href="#_foreachcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2569 "View in source") [&#x24C9;][1]
+<a href="#_foreachcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2571 "View in source") [&#x24C9;][1]
 
 Iterates over a `collection`, executing the `callback` for each element in the `collection`. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*. Callbacks may exit iteration early by explicitly returning `false`.
 
@@ -1305,7 +1307,7 @@ _.forEach({ 'one': 1, 'two': 2, 'three': 3 }, alert);
 <!-- div -->
 
 ### <a id="_groupbycollection--callbackidentity-thisarg"></a>`_.groupBy(collection [, callback=identity, thisArg])`
-<a href="#_groupbycollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2619 "View in source") [&#x24C9;][1]
+<a href="#_groupbycollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2621 "View in source") [&#x24C9;][1]
 
 Creates an object composed of keys returned from running each element of the `collection` through the `callback`. The corresponding value of each key is an array of elements passed to `callback` that returned the key. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*.
 
@@ -1342,7 +1344,7 @@ _.groupBy(['one', 'two', 'three'], 'length');
 <!-- div -->
 
 ### <a id="_invokecollection-methodname--arg1-arg2-"></a>`_.invoke(collection, methodName [, arg1, arg2, ...])`
-<a href="#_invokecollection-methodname--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2652 "View in source") [&#x24C9;][1]
+<a href="#_invokecollection-methodname--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2654 "View in source") [&#x24C9;][1]
 
 Invokes the method named by `methodName` on each element in the `collection`, returning an array of the results of each invoked method. Additional arguments will be passed to each invoked method. If `methodName` is a function, it will be invoked for, and `this` bound to, each element in the `collection`.
 
@@ -1371,7 +1373,7 @@ _.invoke([123, 456], String.prototype.split, '');
 <!-- div -->
 
 ### <a id="_mapcollection--callbackidentity-thisarg"></a>`_.map(collection [, callback=identity, thisArg])`
-<a href="#_mapcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2704 "View in source") [&#x24C9;][1]
+<a href="#_mapcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2706 "View in source") [&#x24C9;][1]
 
 Creates an array of values by running each element in the `collection` through the `callback`. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*.
 
@@ -1416,7 +1418,7 @@ _.map(stooges, 'name');
 <!-- div -->
 
 ### <a id="_maxcollection--callbackidentity-thisarg"></a>`_.max(collection [, callback=identity, thisArg])`
-<a href="#_maxcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2761 "View in source") [&#x24C9;][1]
+<a href="#_maxcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2763 "View in source") [&#x24C9;][1]
 
 Retrieves the maximum value of an `array`. If `callback` is passed, it will be executed for each value in the `array` to generate the criterion by which the value is ranked. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index, collection)*.
 
@@ -1458,7 +1460,7 @@ _.max(stooges, 'age');
 <!-- div -->
 
 ### <a id="_mincollection--callbackidentity-thisarg"></a>`_.min(collection [, callback=identity, thisArg])`
-<a href="#_mincollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2830 "View in source") [&#x24C9;][1]
+<a href="#_mincollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2832 "View in source") [&#x24C9;][1]
 
 Retrieves the minimum value of an `array`. If `callback` is passed, it will be executed for each value in the `array` to generate the criterion by which the value is ranked. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index, collection)*.
 
@@ -1500,7 +1502,7 @@ _.min(stooges, 'age');
 <!-- div -->
 
 ### <a id="_pluckcollection-property"></a>`_.pluck(collection, property)`
-<a href="#_pluckcollection-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2880 "View in source") [&#x24C9;][1]
+<a href="#_pluckcollection-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2882 "View in source") [&#x24C9;][1]
 
 Retrieves the value of a specified property from all elements in the `collection`.
 
@@ -1530,7 +1532,7 @@ _.pluck(stooges, 'name');
 <!-- div -->
 
 ### <a id="_reducecollection--callbackidentity-accumulator-thisarg"></a>`_.reduce(collection [, callback=identity, accumulator, thisArg])`
-<a href="#_reducecollection--callbackidentity-accumulator-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2912 "View in source") [&#x24C9;][1]
+<a href="#_reducecollection--callbackidentity-accumulator-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2914 "View in source") [&#x24C9;][1]
 
 Reduces a `collection` to a value that is the accumulated result of running each element in the `collection` through the `callback`, where each successive `callback` execution consumes the return value of the previous execution. If `accumulator` is not passed, the first element of the `collection` will be used as the initial `accumulator` value. The `callback` is bound to `thisArg` and invoked with four arguments; *(accumulator, value, index|key, collection)*.
 
@@ -1568,7 +1570,7 @@ var mapped = _.reduce({ 'a': 1, 'b': 2, 'c': 3 }, function(result, num, key) {
 <!-- div -->
 
 ### <a id="_reducerightcollection--callbackidentity-accumulator-thisarg"></a>`_.reduceRight(collection [, callback=identity, accumulator, thisArg])`
-<a href="#_reducerightcollection--callbackidentity-accumulator-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2955 "View in source") [&#x24C9;][1]
+<a href="#_reducerightcollection--callbackidentity-accumulator-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2957 "View in source") [&#x24C9;][1]
 
 This method is similar to `_.reduce`, except that it iterates over a `collection` from right to left.
 
@@ -1599,7 +1601,7 @@ var flat = _.reduceRight(list, function(a, b) { return a.concat(b); }, []);
 <!-- div -->
 
 ### <a id="_rejectcollection--callbackidentity-thisarg"></a>`_.reject(collection [, callback=identity, thisArg])`
-<a href="#_rejectcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3015 "View in source") [&#x24C9;][1]
+<a href="#_rejectcollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3017 "View in source") [&#x24C9;][1]
 
 The opposite of `_.filter`, this method returns the elements of a `collection` that `callback` does **not** return truthy for.
 
@@ -1642,7 +1644,7 @@ _.reject(food, { 'type': 'fruit' });
 <!-- div -->
 
 ### <a id="_shufflecollection"></a>`_.shuffle(collection)`
-<a href="#_shufflecollection">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3036 "View in source") [&#x24C9;][1]
+<a href="#_shufflecollection">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3038 "View in source") [&#x24C9;][1]
 
 Creates an array of shuffled `array` values, using a version of the Fisher-Yates shuffle. See http://en.wikipedia.org/wiki/Fisher-Yates_shuffle.
 
@@ -1666,7 +1668,7 @@ _.shuffle([1, 2, 3, 4, 5, 6]);
 <!-- div -->
 
 ### <a id="_sizecollection"></a>`_.size(collection)`
-<a href="#_sizecollection">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3069 "View in source") [&#x24C9;][1]
+<a href="#_sizecollection">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3071 "View in source") [&#x24C9;][1]
 
 Gets the size of the `collection` by returning `collection.length` for arrays and array-like objects or the number of own enumerable properties for objects.
 
@@ -1696,7 +1698,7 @@ _.size('curly');
 <!-- div -->
 
 ### <a id="_somecollection--callbackidentity-thisarg"></a>`_.some(collection [, callback=identity, thisArg])`
-<a href="#_somecollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3116 "View in source") [&#x24C9;][1]
+<a href="#_somecollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3118 "View in source") [&#x24C9;][1]
 
 Checks if the `callback` returns a truthy value for **any** element of a `collection`. The function returns as soon as it finds passing value, and does not iterate over the entire `collection`. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*.
 
@@ -1742,7 +1744,7 @@ _.some(food, { 'type': 'meat' });
 <!-- div -->
 
 ### <a id="_sortbycollection--callbackidentity-thisarg"></a>`_.sortBy(collection [, callback=identity, thisArg])`
-<a href="#_sortbycollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3172 "View in source") [&#x24C9;][1]
+<a href="#_sortbycollection--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3174 "View in source") [&#x24C9;][1]
 
 Creates an array of elements, sorted in ascending order by the results of running each element in the `collection` through the `callback`. This method performs a stable sort, that is, it will preserve the original sort order of equal elements. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*.
 
@@ -1779,7 +1781,7 @@ _.sortBy(['banana', 'strawberry', 'apple'], 'length');
 <!-- div -->
 
 ### <a id="_toarraycollection"></a>`_.toArray(collection)`
-<a href="#_toarraycollection">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3207 "View in source") [&#x24C9;][1]
+<a href="#_toarraycollection">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3209 "View in source") [&#x24C9;][1]
 
 Converts the `collection` to an array.
 
@@ -1803,7 +1805,7 @@ Converts the `collection` to an array.
 <!-- div -->
 
 ### <a id="_wherecollection-properties"></a>`_.where(collection, properties)`
-<a href="#_wherecollection-properties">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3239 "View in source") [&#x24C9;][1]
+<a href="#_wherecollection-properties">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3241 "View in source") [&#x24C9;][1]
 
 Examines each element in a `collection`, returning an array of all elements that have the given `properties`. When checking `properties`, this method performs a deep comparison between values to determine if they are equivalent to each other.
 
@@ -1840,7 +1842,7 @@ _.where(stooges, { 'age': 40 });
 <!-- div -->
 
 ### <a id="_aftern-func"></a>`_.after(n, func)`
-<a href="#_aftern-func">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4202 "View in source") [&#x24C9;][1]
+<a href="#_aftern-func">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4204 "View in source") [&#x24C9;][1]
 
 If `n` is greater than `0`, a function is created that is restricted to executing `func`, with the `this` binding and arguments of the created function, only after it is called `n` times. If `n` is less than `1`, `func` is executed immediately, without a `this` binding or additional arguments, and its result is returned.
 
@@ -1868,7 +1870,7 @@ _.forEach(notes, function(note) {
 <!-- div -->
 
 ### <a id="_bindfunc--thisarg-arg1-arg2-"></a>`_.bind(func [, thisArg, arg1, arg2, ...])`
-<a href="#_bindfunc--thisarg-arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4235 "View in source") [&#x24C9;][1]
+<a href="#_bindfunc--thisarg-arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4237 "View in source") [&#x24C9;][1]
 
 Creates a function that, when called, invokes `func` with the `this` binding of `thisArg` and prepends any additional `bind` arguments to those passed to the bound function.
 
@@ -1899,7 +1901,7 @@ func();
 <!-- div -->
 
 ### <a id="_bindallobject--methodname1-methodname2-"></a>`_.bindAll(object [, methodName1, methodName2, ...])`
-<a href="#_bindallobject--methodname1-methodname2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4266 "View in source") [&#x24C9;][1]
+<a href="#_bindallobject--methodname1-methodname2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4268 "View in source") [&#x24C9;][1]
 
 Binds methods on `object` to `object`, overwriting the existing method. Method names may be specified as individual arguments or as arrays of method names. If no method names are provided, all the function properties of `object` will be bound.
 
@@ -1930,7 +1932,7 @@ jQuery('#docs').on('click', view.onClick);
 <!-- div -->
 
 ### <a id="_bindkeyobject-key--arg1-arg2-"></a>`_.bindKey(object, key [, arg1, arg2, ...])`
-<a href="#_bindkeyobject-key--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4312 "View in source") [&#x24C9;][1]
+<a href="#_bindkeyobject-key--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4314 "View in source") [&#x24C9;][1]
 
 Creates a function that, when called, invokes the method at `object[key]` and prepends any additional `bindKey` arguments to those passed to the bound function. This method differs from `_.bind` by allowing bound functions to reference methods that will be redefined or don't yet exist. See http://michaux.ca/articles/lazy-function-definition-pattern.
 
@@ -1971,7 +1973,7 @@ func();
 <!-- div -->
 
 ### <a id="_composefunc1-func2-"></a>`_.compose([func1, func2, ...])`
-<a href="#_composefunc1-func2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4335 "View in source") [&#x24C9;][1]
+<a href="#_composefunc1-func2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4337 "View in source") [&#x24C9;][1]
 
 Creates a function that is the composition of the passed functions, where each function consumes the return value of the function that follows. For example, composing the functions `f()`, `g()`, and `h()` produces `f(g(h()))`. Each function is executed with the `this` binding of the composed function.
 
@@ -1998,7 +2000,7 @@ welcome('moe');
 <!-- div -->
 
 ### <a id="_createcallbackfuncidentity-thisarg-argcount3"></a>`_.createCallback([func=identity, thisArg, argCount=3])`
-<a href="#_createcallbackfuncidentity-thisarg-argcount3">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4394 "View in source") [&#x24C9;][1]
+<a href="#_createcallbackfuncidentity-thisarg-argcount3">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4396 "View in source") [&#x24C9;][1]
 
 Produces a callback bound to an optional `thisArg`. If `func` is a property name, the created callback will return the property value for a given element. If `func` is an object, the created callback will return `true` for elements that contain the equivalent object properties, otherwise it will return `false`.
 
@@ -2051,15 +2053,15 @@ _.toLookup(stooges, 'name');
 
 <!-- div -->
 
-### <a id="_debouncefunc-wait-immediate"></a>`_.debounce(func, wait, immediate)`
-<a href="#_debouncefunc-wait-immediate">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4460 "View in source") [&#x24C9;][1]
+### <a id="_debouncefunc-wait-options"></a>`_.debounce(func, wait, options)`
+<a href="#_debouncefunc-wait-options">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4463 "View in source") [&#x24C9;][1]
 
-Creates a function that will delay the execution of `func` until after `wait` milliseconds have elapsed since the last time it was invoked. Pass `true` for `immediate` to cause debounce to invoke `func` on the leading, instead of the trailing, edge of the `wait` timeout. Subsequent calls to the debounced function will return the result of the last `func` call.
+Creates a function that will delay the execution of `func` until after `wait` milliseconds have elapsed since the last time it was invoked. Pass an `options` object to indicate that `func` should be invoked on the leading and/or trailing edge of the `wait` timeout. Subsequent calls to the debounced function will return the result of the last `func` call.
 
 #### Arguments
 1. `func` *(Function)*: The function to debounce.
 2. `wait` *(Number)*: The number of milliseconds to delay.
-3. `immediate` *(Boolean)*: A flag to indicate execution is on the leading edge of the timeout.
+3. `options` *(Object)*: The options object. [leading=false] A boolean to specify execution on the leading edge of the timeout. [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
 
 #### Returns
 *(Function)*: Returns the new debounced function.
@@ -2078,7 +2080,7 @@ jQuery(window).on('resize', lazyLayout);
 <!-- div -->
 
 ### <a id="_deferfunc--arg1-arg2-"></a>`_.defer(func [, arg1, arg2, ...])`
-<a href="#_deferfunc--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4502 "View in source") [&#x24C9;][1]
+<a href="#_deferfunc--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4513 "View in source") [&#x24C9;][1]
 
 Defers executing the `func` function until the current call stack has cleared. Additional arguments will be passed to `func` when it is invoked.
 
@@ -2103,7 +2105,7 @@ _.defer(function() { alert('deferred'); });
 <!-- div -->
 
 ### <a id="_delayfunc-wait--arg1-arg2-"></a>`_.delay(func, wait [, arg1, arg2, ...])`
-<a href="#_delayfunc-wait--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4528 "View in source") [&#x24C9;][1]
+<a href="#_delayfunc-wait--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4539 "View in source") [&#x24C9;][1]
 
 Executes the `func` function after `wait` milliseconds. Additional arguments will be passed to `func` when it is invoked.
 
@@ -2130,7 +2132,7 @@ _.delay(log, 1000, 'logged later');
 <!-- div -->
 
 ### <a id="_memoizefunc--resolver"></a>`_.memoize(func [, resolver])`
-<a href="#_memoizefunc--resolver">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4552 "View in source") [&#x24C9;][1]
+<a href="#_memoizefunc--resolver">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4563 "View in source") [&#x24C9;][1]
 
 Creates a function that memoizes the result of `func`. If `resolver` is passed, it will be used to determine the cache key for storing the result based on the arguments passed to the memoized function. By default, the first argument passed to the memoized function is used as the cache key. The `func` is executed with the `this` binding of the memoized function.
 
@@ -2156,7 +2158,7 @@ var fibonacci = _.memoize(function(n) {
 <!-- div -->
 
 ### <a id="_oncefunc"></a>`_.once(func)`
-<a href="#_oncefunc">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4579 "View in source") [&#x24C9;][1]
+<a href="#_oncefunc">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4590 "View in source") [&#x24C9;][1]
 
 Creates a function that is restricted to execute `func` once. Repeat calls to the function will return the value of the first call. The `func` is executed with the `this` binding of the created function.
 
@@ -2182,7 +2184,7 @@ initialize();
 <!-- div -->
 
 ### <a id="_partialfunc--arg1-arg2-"></a>`_.partial(func [, arg1, arg2, ...])`
-<a href="#_partialfunc--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4614 "View in source") [&#x24C9;][1]
+<a href="#_partialfunc--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4625 "View in source") [&#x24C9;][1]
 
 Creates a function that, when called, invokes `func` with any additional `partial` arguments prepended to those passed to the new function. This method is similar to `_.bind`, except it does **not** alter the `this` binding.
 
@@ -2209,7 +2211,7 @@ hi('moe');
 <!-- div -->
 
 ### <a id="_partialrightfunc--arg1-arg2-"></a>`_.partialRight(func [, arg1, arg2, ...])`
-<a href="#_partialrightfunc--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4645 "View in source") [&#x24C9;][1]
+<a href="#_partialrightfunc--arg1-arg2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4656 "View in source") [&#x24C9;][1]
 
 This method is similar to `_.partial`, except that `partial` arguments are appended to those passed to the new function.
 
@@ -2245,14 +2247,15 @@ options.imports
 
 <!-- div -->
 
-### <a id="_throttlefunc-wait"></a>`_.throttle(func, wait)`
-<a href="#_throttlefunc-wait">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4667 "View in source") [&#x24C9;][1]
+### <a id="_throttlefunc-wait-options"></a>`_.throttle(func, wait, options)`
+<a href="#_throttlefunc-wait-options">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4683 "View in source") [&#x24C9;][1]
 
-Creates a function that, when executed, will only call the `func` function at most once per every `wait` milliseconds. If the throttled function is invoked more than once during the `wait` timeout, `func` will also be called on the trailing edge of the timeout. Subsequent calls to the throttled function will return the result of the last `func` call.
+Creates a function that, when executed, will only call the `func` function at most once per every `wait` milliseconds. If the throttled function is invoked more than once during the `wait` timeout, `func` will also be called on the trailing edge of the timeout. Pass an `options` object to indicate that `func` should be invoked on the leading and/or trailing edge of the `wait` timeout. Subsequent calls to the throttled function will return the result of the last `func` call.
 
 #### Arguments
 1. `func` *(Function)*: The function to throttle.
 2. `wait` *(Number)*: The number of milliseconds to throttle executions to.
+3. `options` *(Object)*: The options object. [leading=true] A boolean to specify execution on the leading edge of the timeout. [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
 
 #### Returns
 *(Function)*: Returns the new throttled function.
@@ -2271,7 +2274,7 @@ jQuery(window).on('scroll', throttled);
 <!-- div -->
 
 ### <a id="_wrapvalue-wrapper"></a>`_.wrap(value, wrapper)`
-<a href="#_wrapvalue-wrapper">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4720 "View in source") [&#x24C9;][1]
+<a href="#_wrapvalue-wrapper">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4749 "View in source") [&#x24C9;][1]
 
 Creates a function that passes `value` to the `wrapper` function as its first argument. Additional arguments passed to the function are appended to those passed to the `wrapper` function. The `wrapper` is executed with the `this` binding of the created function.
 
@@ -2307,7 +2310,7 @@ hello();
 <!-- div -->
 
 ### <a id="_assignobject--source1-source2--callback-thisarg"></a>`_.assign(object [, source1, source2, ..., callback, thisArg])`
-<a href="#_assignobject--source1-source2--callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1053 "View in source") [&#x24C9;][1]
+<a href="#_assignobject--source1-source2--callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1054 "View in source") [&#x24C9;][1]
 
 Assigns own enumerable properties of source object(s) to the destination object. Subsequent sources will overwrite property assignments of previous sources. If a `callback` function is passed, it will be executed to produce the assigned values. The `callback` is bound to `thisArg` and invoked with two arguments; *(objectValue, sourceValue)*.
 
@@ -2345,7 +2348,7 @@ defaults(food, { 'name': 'banana', 'type': 'fruit' });
 <!-- div -->
 
 ### <a id="_clonevalue--deepfalse-callback-thisarg"></a>`_.clone(value [, deep=false, callback, thisArg])`
-<a href="#_clonevalue--deepfalse-callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1108 "View in source") [&#x24C9;][1]
+<a href="#_clonevalue--deepfalse-callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1109 "View in source") [&#x24C9;][1]
 
 Creates a clone of `value`. If `deep` is `true`, nested objects will also be cloned, otherwise they will be assigned by reference. If a `callback` function is passed, it will be executed to produce the cloned values. If `callback` returns `undefined`, cloning will be handled by the method instead. The `callback` is bound to `thisArg` and invoked with one argument; *(value)*.
 
@@ -2392,7 +2395,7 @@ clone.childNodes.length;
 <!-- div -->
 
 ### <a id="_clonedeepvalue--callback-thisarg"></a>`_.cloneDeep(value [, callback, thisArg])`
-<a href="#_clonedeepvalue--callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1233 "View in source") [&#x24C9;][1]
+<a href="#_clonedeepvalue--callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1234 "View in source") [&#x24C9;][1]
 
 Creates a deep clone of `value`. If a `callback` function is passed, it will be executed to produce the cloned values. If `callback` returns `undefined`, cloning will be handled by the method instead. The `callback` is bound to `thisArg` and invoked with one argument; *(value)*.
 
@@ -2438,7 +2441,7 @@ clone.node == view.node;
 <!-- div -->
 
 ### <a id="_defaultsobject--source1-source2-"></a>`_.defaults(object [, source1, source2, ...])`
-<a href="#_defaultsobject--source1-source2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1257 "View in source") [&#x24C9;][1]
+<a href="#_defaultsobject--source1-source2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1258 "View in source") [&#x24C9;][1]
 
 Assigns own enumerable properties of source object(s) to the destination object for all destination properties that resolve to `undefined`. Once a property is set, additional defaults of the same property will be ignored.
 
@@ -2464,7 +2467,7 @@ _.defaults(food, { 'name': 'banana', 'type': 'fruit' });
 <!-- div -->
 
 ### <a id="_findkeyobject--callbackidentity-thisarg"></a>`_.findKey(object [, callback=identity, thisArg])`
-<a href="#_findkeyobject--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1278 "View in source") [&#x24C9;][1]
+<a href="#_findkeyobject--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1281 "View in source") [&#x24C9;][1]
 
 This method is similar to `_.find`, except that it returns the key of the element that passes the callback check, instead of the element itself.
 
@@ -2478,7 +2481,9 @@ This method is similar to `_.find`, except that it returns the key of the elemen
 
 #### Example
 ```js
-_.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) { return num % 2 == 0; });
+_.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) {
+  return num % 2 == 0;
+});
 // => 'b'
 ```
 
@@ -2490,7 +2495,7 @@ _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) { return num % 2 ==
 <!-- div -->
 
 ### <a id="_forinobject--callbackidentity-thisarg"></a>`_.forIn(object [, callback=identity, thisArg])`
-<a href="#_forinobject--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1319 "View in source") [&#x24C9;][1]
+<a href="#_forinobject--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1322 "View in source") [&#x24C9;][1]
 
 Iterates over `object`'s own and inherited enumerable properties, executing the `callback` for each property. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, key, object)*. Callbacks may exit iteration early by explicitly returning `false`.
 
@@ -2526,7 +2531,7 @@ _.forIn(new Dog('Dagny'), function(value, key) {
 <!-- div -->
 
 ### <a id="_forownobject--callbackidentity-thisarg"></a>`_.forOwn(object [, callback=identity, thisArg])`
-<a href="#_forownobject--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1344 "View in source") [&#x24C9;][1]
+<a href="#_forownobject--callbackidentity-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1347 "View in source") [&#x24C9;][1]
 
 Iterates over an object's own enumerable properties, executing the `callback` for each property. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, key, object)*. Callbacks may exit iteration early by explicitly returning `false`.
 
@@ -2554,7 +2559,7 @@ _.forOwn({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) {
 <!-- div -->
 
 ### <a id="_functionsobject"></a>`_.functions(object)`
-<a href="#_functionsobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1361 "View in source") [&#x24C9;][1]
+<a href="#_functionsobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1364 "View in source") [&#x24C9;][1]
 
 Creates a sorted array of all enumerable properties, own and inherited, of `object` that have function values.
 
@@ -2581,7 +2586,7 @@ _.functions(_);
 <!-- div -->
 
 ### <a id="_hasobject-property"></a>`_.has(object, property)`
-<a href="#_hasobject-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1386 "View in source") [&#x24C9;][1]
+<a href="#_hasobject-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1389 "View in source") [&#x24C9;][1]
 
 Checks if the specified object `property` exists and is a direct property, instead of an inherited property.
 
@@ -2606,7 +2611,7 @@ _.has({ 'a': 1, 'b': 2, 'c': 3 }, 'b');
 <!-- div -->
 
 ### <a id="_invertobject"></a>`_.invert(object)`
-<a href="#_invertobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1403 "View in source") [&#x24C9;][1]
+<a href="#_invertobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1406 "View in source") [&#x24C9;][1]
 
 Creates an object composed of the inverted keys and values of the given `object`.
 
@@ -2630,7 +2635,7 @@ _.invert({ 'first': 'moe', 'second': 'larry' });
 <!-- div -->
 
 ### <a id="_isargumentsvalue"></a>`_.isArguments(value)`
-<a href="#_isargumentsvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L913 "View in source") [&#x24C9;][1]
+<a href="#_isargumentsvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L914 "View in source") [&#x24C9;][1]
 
 Checks if `value` is an `arguments` object.
 
@@ -2657,7 +2662,7 @@ _.isArguments([1, 2, 3]);
 <!-- div -->
 
 ### <a id="_isarrayvalue"></a>`_.isArray(value)`
-<a href="#_isarrayvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L939 "View in source") [&#x24C9;][1]
+<a href="#_isarrayvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L940 "View in source") [&#x24C9;][1]
 
 Checks if `value` is an array.
 
@@ -2684,7 +2689,7 @@ _.isArray([1, 2, 3]);
 <!-- div -->
 
 ### <a id="_isbooleanvalue"></a>`_.isBoolean(value)`
-<a href="#_isbooleanvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1429 "View in source") [&#x24C9;][1]
+<a href="#_isbooleanvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1432 "View in source") [&#x24C9;][1]
 
 Checks if `value` is a boolean value.
 
@@ -2708,7 +2713,7 @@ _.isBoolean(null);
 <!-- div -->
 
 ### <a id="_isdatevalue"></a>`_.isDate(value)`
-<a href="#_isdatevalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1446 "View in source") [&#x24C9;][1]
+<a href="#_isdatevalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1449 "View in source") [&#x24C9;][1]
 
 Checks if `value` is a date.
 
@@ -2732,7 +2737,7 @@ _.isDate(new Date);
 <!-- div -->
 
 ### <a id="_iselementvalue"></a>`_.isElement(value)`
-<a href="#_iselementvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1463 "View in source") [&#x24C9;][1]
+<a href="#_iselementvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1466 "View in source") [&#x24C9;][1]
 
 Checks if `value` is a DOM element.
 
@@ -2756,7 +2761,7 @@ _.isElement(document.body);
 <!-- div -->
 
 ### <a id="_isemptyvalue"></a>`_.isEmpty(value)`
-<a href="#_isemptyvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1488 "View in source") [&#x24C9;][1]
+<a href="#_isemptyvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1491 "View in source") [&#x24C9;][1]
 
 Checks if `value` is empty. Arrays, strings, or `arguments` objects with a length of `0` and objects with no own enumerable properties are considered "empty".
 
@@ -2786,7 +2791,7 @@ _.isEmpty('');
 <!-- div -->
 
 ### <a id="_isequala-b--callback-thisarg"></a>`_.isEqual(a, b [, callback, thisArg])`
-<a href="#_isequala-b--callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1547 "View in source") [&#x24C9;][1]
+<a href="#_isequala-b--callback-thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1550 "View in source") [&#x24C9;][1]
 
 Performs a deep comparison between two values to determine if they are equivalent to each other. If `callback` is passed, it will be executed to compare values. If `callback` returns `undefined`, comparisons will be handled by the method instead. The `callback` is bound to `thisArg` and invoked with two arguments; *(a, b)*.
 
@@ -3116,7 +3121,7 @@ _.isUndefined(void 0);
 <!-- div -->
 
 ### <a id="_keysobject"></a>`_.keys(object)`
-<a href="#_keysobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L975 "View in source") [&#x24C9;][1]
+<a href="#_keysobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L976 "View in source") [&#x24C9;][1]
 
 Creates an array composed of the own enumerable property names of `object`.
 
@@ -3313,7 +3318,7 @@ _.values({ 'one': 1, 'two': 2, 'three': 3 });
 <!-- div -->
 
 ### <a id="_escapestring"></a>`_.escape(string)`
-<a href="#_escapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4744 "View in source") [&#x24C9;][1]
+<a href="#_escapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4773 "View in source") [&#x24C9;][1]
 
 Converts the characters `&`, `<`, `>`, `"`, and `'` in `string` to their corresponding HTML entities.
 
@@ -3337,7 +3342,7 @@ _.escape('Moe, Larry & Curly');
 <!-- div -->
 
 ### <a id="_identityvalue"></a>`_.identity(value)`
-<a href="#_identityvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4762 "View in source") [&#x24C9;][1]
+<a href="#_identityvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4791 "View in source") [&#x24C9;][1]
 
 This function returns the first argument passed to it.
 
@@ -3362,7 +3367,7 @@ moe === _.identity(moe);
 <!-- div -->
 
 ### <a id="_mixinobject"></a>`_.mixin(object)`
-<a href="#_mixinobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4788 "View in source") [&#x24C9;][1]
+<a href="#_mixinobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4817 "View in source") [&#x24C9;][1]
 
 Adds functions properties of `object` to the `lodash` function and chainable wrapper.
 
@@ -3392,7 +3397,7 @@ _('moe').capitalize();
 <!-- div -->
 
 ### <a id="_noconflict"></a>`_.noConflict()`
-<a href="#_noconflict">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4817 "View in source") [&#x24C9;][1]
+<a href="#_noconflict">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4846 "View in source") [&#x24C9;][1]
 
 Reverts the '_' variable to its previous value and returns a reference to the `lodash` function.
 
@@ -3412,7 +3417,7 @@ var lodash = _.noConflict();
 <!-- div -->
 
 ### <a id="_parseintvalue"></a>`_.parseInt(value)`
-<a href="#_parseintvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4838 "View in source") [&#x24C9;][1]
+<a href="#_parseintvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4867 "View in source") [&#x24C9;][1]
 
 Converts the given `value` into an integer of the specified `radix`.
 
@@ -3438,7 +3443,7 @@ _.parseInt('08');
 <!-- div -->
 
 ### <a id="_randommin0-max1"></a>`_.random([min=0, max=1])`
-<a href="#_randommin0-max1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4861 "View in source") [&#x24C9;][1]
+<a href="#_randommin0-max1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4890 "View in source") [&#x24C9;][1]
 
 Produces a random number between `min` and `max` *(inclusive)*. If only one argument is passed, a number between `0` and the given number will be returned.
 
@@ -3466,7 +3471,7 @@ _.random(5);
 <!-- div -->
 
 ### <a id="_resultobject-property"></a>`_.result(object, property)`
-<a href="#_resultobject-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4900 "View in source") [&#x24C9;][1]
+<a href="#_resultobject-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4929 "View in source") [&#x24C9;][1]
 
 Resolves the value of `property` on `object`. If `property` is a function, it will be invoked with the `this` binding of `object` and its result returned, else the property value is returned. If `object` is falsey, then `undefined` is returned.
 
@@ -3519,7 +3524,7 @@ Create a new `lodash` function using the given `context` object.
 <!-- div -->
 
 ### <a id="_templatetext-data-options"></a>`_.template(text, data, options)`
-<a href="#_templatetext-data-options">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4987 "View in source") [&#x24C9;][1]
+<a href="#_templatetext-data-options">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5016 "View in source") [&#x24C9;][1]
 
 A micro-templating method that handles arbitrary delimiters, preserves whitespace, and correctly escapes quotes within interpolated code.
 
@@ -3603,7 +3608,7 @@ fs.writeFileSync(path.join(cwd, 'jst.js'), '\
 <!-- div -->
 
 ### <a id="_timesn-callback--thisarg"></a>`_.times(n, callback [, thisArg])`
-<a href="#_timesn-callback--thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5112 "View in source") [&#x24C9;][1]
+<a href="#_timesn-callback--thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5141 "View in source") [&#x24C9;][1]
 
 Executes the `callback` function `n` times, returning an array of the results of each `callback` execution. The `callback` is bound to `thisArg` and invoked with one argument; *(index)*.
 
@@ -3635,7 +3640,7 @@ _.times(3, function(n) { this.cast(n); }, mage);
 <!-- div -->
 
 ### <a id="_unescapestring"></a>`_.unescape(string)`
-<a href="#_unescapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5139 "View in source") [&#x24C9;][1]
+<a href="#_unescapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5168 "View in source") [&#x24C9;][1]
 
 The inverse of `_.escape`, this method converts the HTML entities `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to their corresponding characters.
 
@@ -3659,7 +3664,7 @@ _.unescape('Moe, Larry &amp; Curly');
 <!-- div -->
 
 ### <a id="_uniqueidprefix"></a>`_.uniqueId([prefix])`
-<a href="#_uniqueidprefix">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5159 "View in source") [&#x24C9;][1]
+<a href="#_uniqueidprefix">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5188 "View in source") [&#x24C9;][1]
 
 Generates a unique ID. If `prefix` is passed, the ID will be appended to it.
 
@@ -3712,7 +3717,7 @@ A reference to the `lodash` function.
 <!-- div -->
 
 ### <a id="_version"></a>`_.VERSION`
-<a href="#_version">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5396 "View in source") [&#x24C9;][1]
+<a href="#_version">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L5425 "View in source") [&#x24C9;][1]
 
 *(String)*: The semantic version number.
 
diff --git a/vendor/benchmark.js/README.md b/vendor/benchmark.js/README.md
index d99539bf9..4c7b93599 100644
--- a/vendor/benchmark.js/README.md
+++ b/vendor/benchmark.js/README.md
@@ -15,7 +15,7 @@ For a list of upcoming features, check out our [roadmap](https://github.com/best
 
 ## Support
 
-Benchmark.js has been tested in at least Chrome 5~25, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.1, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
+Benchmark.js has been tested in at least Chrome 5~26, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.3, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Installation and usage
 
diff --git a/vendor/benchmark.js/benchmark.js b/vendor/benchmark.js/benchmark.js
index eb274b420..00281b5d4 100644
--- a/vendor/benchmark.js/benchmark.js
+++ b/vendor/benchmark.js/benchmark.js
@@ -21,9 +21,9 @@
   /** Detect free variable `require` */
   var freeRequire = typeof require == 'function' && require;
 
-  /** Detect free variable `global` and use it as `window` */
+  /** Detect free variable `global`, from Node.js or Browserified code, and use it as `window` */
   var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
+  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
     window = freeGlobal;
   }
 
@@ -738,13 +738,7 @@
         cycle(deferred);
       }
       else if (++deferred.cycles < clone.count) {
-        // continue the test loop
-        if (support.timeout) {
-          // use setTimeout to avoid a call stack overflow if called recursively
-          setTimeout(function() { clone.compiled.call(deferred, context, timer); }, 0);
-        } else {
-          clone.compiled.call(deferred, context, timer);
-        }
+        clone.compiled.call(deferred, context, timer);
       }
       else {
         timer.stop(deferred);
diff --git a/vendor/platform.js/README.md b/vendor/platform.js/README.md
index 219c00b2f..acb8e6e63 100644
--- a/vendor/platform.js/README.md
+++ b/vendor/platform.js/README.md
@@ -18,7 +18,7 @@ For a list of upcoming features, check out our [roadmap](https://github.com/best
 
 ## Support
 
-Platform.js has been tested in at least Chrome 5~25, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.1, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
+Platform.js has been tested in at least Chrome 5~26, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.3, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Installation and usage
 
diff --git a/vendor/qunit-clib/README.md b/vendor/qunit-clib/README.md
index 7b44ea856..a14e96dcc 100644
--- a/vendor/qunit-clib/README.md
+++ b/vendor/qunit-clib/README.md
@@ -9,7 +9,7 @@ QUnit CLIB helps extend QUnit’s CLI support to many common CLI environments.
 
 ## Support
 
-QUnit CLIB has been tested in at least Node.js 0.4.8-0.10.1, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
+QUnit CLIB has been tested in at least Node.js 0.4.8-0.10.3, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Usage
 
diff --git a/vendor/qunit-clib/qunit-clib.js b/vendor/qunit-clib/qunit-clib.js
index eb89ef3c1..db3b8f3df 100644
--- a/vendor/qunit-clib/qunit-clib.js
+++ b/vendor/qunit-clib/qunit-clib.js
@@ -10,9 +10,9 @@
   /** Detect free variable `exports` */
   var freeExports = typeof exports == 'object' && exports;
 
-  /** Detect free variable `global` and use it as `window` */
+  /** Detect free variable `global`, from Node.js or Browserified code, and use it as `window` */
   var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
+  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
     window = freeGlobal;
   }
 
diff --git a/vendor/underscore/underscore-min.js b/vendor/underscore/underscore-min.js
index 93585cddd..cf3cab966 100644
--- a/vendor/underscore/underscore-min.js
+++ b/vendor/underscore/underscore-min.js
@@ -2,4 +2,4 @@
 //     http://underscorejs.org
 //     (c) 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
 //     Underscore may be freely distributed under the MIT license.
-(function(){var n=this,t=n._,r={},e=Array.prototype,u=Object.prototype,i=Function.prototype,a=e.push,o=e.slice,c=e.concat,l=u.toString,f=u.hasOwnProperty,s=e.forEach,p=e.map,h=e.reduce,v=e.reduceRight,d=e.filter,m=e.every,g=e.some,y=e.indexOf,b=e.lastIndexOf,x=Array.isArray,_=Object.keys,j=i.bind,w=function(n){return n instanceof w?n:this instanceof w?(this._wrapped=n,void 0):new w(n)};"undefined"!=typeof exports?("undefined"!=typeof module&&module.exports&&(exports=module.exports=w),exports._=w):n._=w,w.VERSION="1.4.4";var A=w.each=w.forEach=function(n,t,e){if(null!=n)if(s&&n.forEach===s)n.forEach(t,e);else if(n.length===+n.length){for(var u=0,i=n.length;i>u;u++)if(t.call(e,n[u],u,n)===r)return}else for(var a in n)if(w.has(n,a)&&t.call(e,n[a],a,n)===r)return};w.map=w.collect=function(n,t,r){var e=[];return null==n?e:p&&n.map===p?n.map(t,r):(A(n,function(n,u,i){e.push(t.call(r,n,u,i))}),e)};var E="Reduce of empty array with no initial value";w.reduce=w.foldl=w.inject=function(n,t,r,e){var u=arguments.length>2;if(null==n&&(n=[]),h&&n.reduce===h)return e&&(t=w.bind(t,e)),u?n.reduce(t,r):n.reduce(t);if(A(n,function(n,i,a){u?r=t.call(e,r,n,i,a):(r=n,u=!0)}),!u)throw new TypeError(E);return r},w.reduceRight=w.foldr=function(n,t,r,e){var u=arguments.length>2;if(null==n&&(n=[]),v&&n.reduceRight===v)return e&&(t=w.bind(t,e)),u?n.reduceRight(t,r):n.reduceRight(t);var i=n.length;if(i!==+i){var a=w.keys(n);i=a.length}if(A(n,function(o,c,l){c=a?a[--i]:--i,u?r=t.call(e,r,n[c],c,l):(r=n[c],u=!0)}),!u)throw new TypeError(E);return r},w.find=w.detect=function(n,t,r){var e;return O(n,function(n,u,i){return t.call(r,n,u,i)?(e=n,!0):void 0}),e},w.filter=w.select=function(n,t,r){var e=[];return null==n?e:d&&n.filter===d?n.filter(t,r):(A(n,function(n,u,i){t.call(r,n,u,i)&&e.push(n)}),e)},w.reject=function(n,t,r){return w.filter(n,function(n,e,u){return!t.call(r,n,e,u)},r)},w.every=w.all=function(n,t,e){t||(t=w.identity);var u=!0;return 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diff --git a/vendor/underscore/underscore.js b/vendor/underscore/underscore.js
index 1a22212cc..27f352e02 100644
--- a/vendor/underscore/underscore.js
+++ b/vendor/underscore/underscore.js
@@ -506,16 +506,8 @@
   // `[['a',1],['b',2],['c',3]]` returns the array
   // [['a','b','c'],[1,2,3]].
   _.unzip = function(tuples) {
-      var results = [];
-      _.each(tuples, function (tuple, tupleIndex) {
-          _.each(tuple, function (value, itemIndex) {
-              if (results.length <= itemIndex) {
-                  results[itemIndex] = [];
-              }
-              results[itemIndex][tupleIndex] = value;
-          });
-      });
-      return results;
+      var maxLen = _.max(_.pluck(tuples, "length"))
+      return _.times(maxLen, _.partial(_.pluck, tuples));
   };
 
   // Converts lists into objects. Pass either a single array of `[key, value]`
@@ -1043,7 +1035,7 @@
 
   // Run a function **n** times.
   _.times = function(n, iterator, context) {
-    var accum = Array(n);
+    var accum = Array(Math.max(0, n));
     for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
     return accum;
   };