diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js
index c2b9446e2..9eb31c288 100644
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
@@ -12,14 +12,7 @@
   /** Used as a safe reference for `undefined` in pre ES5 environments */
   var undefined;
 
-  /** Used to pool arrays and objects used internally */
-  var arrayPool = [],
-      objectPool = [];
-
-  /** Used to generate unique IDs */
-  var idCounter = 0;
-
-  /** Used to compose bitmasks for `__bindData__` */
+  /** Used to compose bitmasks for wrapper metadata */
   var BIND_FLAG = 1,
       BIND_KEY_FLAG = 2,
       CURRY_FLAG = 4,
@@ -27,23 +20,20 @@
       PARTIAL_FLAG = 16,
       PARTIAL_RIGHT_FLAG = 32;
 
-  /** Used as the size when optimizations are enabled for large arrays */
+  /** Used as the size when optimizations are enabled for arrays */
   var LARGE_ARRAY_SIZE = 75;
 
   /** Used as the max size of the `arrayPool` and `objectPool` */
   var MAX_POOL_SIZE = 40;
 
-  /** Used to detect and test whitespace */
-  var whitespace = (
-    // whitespace
-    ' \t\x0B\f\xA0\ufeff' +
+  /** Used as the semantic version number */
+  var version = '2.4.1';
 
-    // line terminators
-    '\n\r\u2028\u2029' +
+  /** Used as the property name for wrapper metadata */
+  var expando = '__lodash@' + version + '__';
 
-    // unicode category "Zs" space separators
-    '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
-  );
+  /** Used to generate unique IDs */
+  var idCounter = 0;
 
   /** Used to match empty string literals in compiled template source */
   var reEmptyStringLeading = /\b__p \+= '';/g,
@@ -83,6 +73,22 @@
   /** Used to match unescaped characters in compiled string literals */
   var reUnescapedString = /['\n\r\t\u2028\u2029\\]/g;
 
+  /** Used to detect and test whitespace */
+  var whitespace = (
+    // whitespace
+    ' \t\x0B\f\xA0\ufeff' +
+
+    // line terminators
+    '\n\r\u2028\u2029' +
+
+    // unicode category "Zs" space separators
+    '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
+  );
+
+  /** Used to pool arrays and objects used internally */
+  var arrayPool = [],
+      objectPool = [];
+
   /** Used to assign default `context` object properties */
   var contextProps = [
     'Array', 'Boolean', 'Date', 'Error', 'Function', 'Math', 'Number', 'Object',
@@ -126,7 +132,7 @@
     'trailing': false
   };
 
-  /** Used as the property descriptor for `__bindData__` */
+  /** Used as the property descriptor for wrapper metadata */
   var descriptor = {
     'configurable': false,
     'enumerable': false,
@@ -1043,13 +1049,13 @@
      * sets its meta data.
      *
      * @private
-     * @param {Array} bindData The bind data array.
+     * @param {Array} data The metadata array.
      * @returns {Function} Returns the new bound function.
      */
-    function baseBind(bindData) {
-      var func = bindData[0],
-          partialArgs = bindData[2],
-          thisArg = bindData[4];
+    function baseBind(data) {
+      var func = data[0],
+          thisArg = data[3],
+          partialArgs = data[4];
 
       function bound() {
         // `Function#bind` spec
@@ -1071,7 +1077,7 @@
         }
         return func.apply(thisArg, args || arguments);
       }
-      setBindData(bound, bindData);
+      setData(bound, data);
       return bound;
     }
 
@@ -1211,26 +1217,26 @@
       if (typeof thisArg == 'undefined' || !('prototype' in func)) {
         return func;
       }
-      var bindData = func.__bindData__;
-      if (typeof bindData == 'undefined') {
+      var data = func[expando];
+      if (typeof data == 'undefined') {
         if (support.funcNames) {
-          bindData = !func.name;
+          data = !func.name;
         }
-        bindData = bindData || !support.funcDecomp;
-        if (!bindData) {
+        data = data || !support.funcDecomp;
+        if (!data) {
           var source = fnToString.call(func);
           if (!support.funcNames) {
-            bindData = !reFuncName.test(source);
+            data = !reFuncName.test(source);
           }
-          if (!bindData) {
+          if (!data) {
             // checks if `func` references the `this` keyword and stores the result
-            bindData = reThis.test(source);
-            setBindData(func, bindData);
+            data = reThis.test(source);
+            setData(func, data);
           }
         }
       }
       // exit early if there are no `this` references or `func` is bound
-      if (bindData === false || (bindData !== true && bindData[1] & BIND_FLAG)) {
+      if (data === false || (data !== true && data[1] & BIND_FLAG)) {
         return func;
       }
       switch (argCount) {
@@ -1255,16 +1261,16 @@
      * sets its meta data.
      *
      * @private
-     * @param {Array} bindData The bind data array.
+     * @param {Array} data The metadata array.
      * @returns {Function} Returns the new function.
      */
-    function baseCreateWrapper(bindData) {
-      var func = bindData[0],
-          bitmask = bindData[1],
-          partialArgs = bindData[2],
-          partialRightArgs = bindData[3],
-          thisArg = bindData[4],
-          arity = bindData[5];
+    function baseCreateWrapper(data) {
+      var func = data[0],
+          bitmask = data[1],
+          arity = data[2],
+          thisArg = data[3],
+          partialArgs = data[4],
+          partialRightArgs = data[5];
 
       var isBind = bitmask & BIND_FLAG,
           isBindKey = bitmask & BIND_KEY_FLAG,
@@ -1283,10 +1289,15 @@
           if (partialRightArgs) {
             push.apply(args, partialRightArgs);
           }
-          if (isCurry && args.length < arity) {
+          var argsLength = arguments.length;
+          if (isCurry && argsLength < arity) {
             bitmask |= PARTIAL_FLAG;
-            bitmask &= ~PARTIAL_RIGHT_FLAG;
-            return baseCreateWrapper([func, (isCurryBound ? bitmask : bitmask & ~(BIND_FLAG | BIND_KEY_FLAG)), args, null, thisArg, arity]);
+            bitmask &= ~PARTIAL_RIGHT_FLAG
+            if (!isCurryBound) {
+              bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
+            }
+            var newArity = nativeMax(0, arity - argsLength);
+            return baseCreateWrapper([func, bitmask, newArity, thisArg, args]);
           }
         }
         args || (args = arguments);
@@ -1300,7 +1311,7 @@
         }
         return func.apply(thisBinding, args);
       }
-      setBindData(bound, bindData);
+      setData(bound, data);
       return bound;
     }
 
@@ -1779,25 +1790,23 @@
      * @param {Function|string} func The function or method name to reference.
      * @param {number} bitmask The bitmask of flags to compose.
      *  The bitmask may be composed of the following flags:
-     *  1 - `_.bind`
-     *  2 - `_.bindKey`
-     *  4 - `_.curry`
-     *  8 - `_.curry` (bound)
+     *  1  - `_.bind`
+     *  2  - `_.bindKey`
+     *  4  - `_.curry`
+     *  8  - `_.curry` (bound)
      *  16 - `_.partial`
      *  32 - `_.partialRight`
+     * @param {number} [arity] The arity of `func`.
+     * @param {*} [thisArg] The `this` binding of `func`.
      * @param {Array} [partialArgs] An array of arguments to prepend to those
      *  provided to the new function.
      * @param {Array} [partialRightArgs] An array of arguments to append to those
      *  provided to the new function.
-     * @param {*} [thisArg] The `this` binding of `func`.
-     * @param {number} [arity] The arity of `func`.
      * @returns {Function} Returns the new function.
      */
-    function createWrapper(func, bitmask, partialArgs, partialRightArgs, thisArg, arity) {
+    function createWrapper(func, bitmask, arity, thisArg, partialArgs, partialRightArgs) {
       var isBind = bitmask & BIND_FLAG,
           isBindKey = bitmask & BIND_KEY_FLAG,
-          isCurry = bitmask & CURRY_FLAG,
-          isCurryBound = bitmask & CURRY_BOUND_FLAG,
           isPartial = bitmask & PARTIAL_FLAG,
           isPartialRight = bitmask & PARTIAL_RIGHT_FLAG;
 
@@ -1805,50 +1814,69 @@
         throw new TypeError;
       }
       if (isPartial && !partialArgs.length) {
-        bitmask &= ~16;
+        bitmask &= ~PARTIAL_FLAG;
         isPartial = partialArgs = false;
       }
       if (isPartialRight && !partialRightArgs.length) {
-        bitmask &= ~32;
+        bitmask &= ~PARTIAL_RIGHT_FLAG;
         isPartialRight = partialRightArgs = false;
       }
-      var bindData = func && func.__bindData__;
-      if (bindData && bindData !== true) {
-        // clone `bindData`
-        bindData = slice(bindData);
-        if (bindData[2]) {
-          bindData[2] = slice(bindData[2]);
+      var data = !isBindKey && func[expando];
+      if (data && data !== true) {
+        // shallow clone `data`
+        data = slice(data);
+
+        // clone partial left arguments
+        if (data[4]) {
+          data[4] = slice(data[4]);
         }
-        if (bindData[3]) {
-          bindData[3] = slice(bindData[3]);
+        // clone partial right arguments
+        if (data[5]) {
+          data[5] = slice(data[5]);
         }
-        // set `thisBinding` is not previously bound
-        if (isBind && !(bindData[1] & BIND_FLAG)) {
-          bindData[4] = thisArg;
+        // set arity if provided
+        if (typeof arity == 'number') {
+          data[2] = arity;
         }
-        // set if previously bound but not currently (subsequent curried functions)
-        if (!isBind && bindData[1] & BIND_FLAG) {
-          bitmask |= 8;
+        // set `thisArg` if not previously bound
+        var bound = data[1] & BIND_FLAG;
+        if (isBind && !bound) {
+          data[3] = thisArg;
         }
-        // set curried arity if not yet set
-        if (isCurry && !(bindData[1] & CURRY_FLAG)) {
-          bindData[5] = arity;
+        // set if currying a bound function
+        if (!isBind && bound) {
+          bitmask |= CURRY_BOUND_FLAG;
         }
         // append partial left arguments
         if (isPartial) {
-          push.apply(bindData[2] || (bindData[2] = []), partialArgs);
+          if (data[4]) {
+            push.apply(data[4], partialArgs);
+          } else {
+            data[4] = partialArgs;
+          }
         }
-        // append partial right arguments
+        // prepend partial right arguments
         if (isPartialRight) {
-          unshift.apply(bindData[3] || (bindData[3] = []), partialRightArgs);
+          if (data[5]) {
+            unshift.apply(data[5], partialRightArgs);
+          } else {
+            data[5] = partialRightArgs;
+          }
         }
         // merge flags
-        bindData[1] |= bitmask;
-        return createWrapper.apply(null, bindData);
+        data[1] |= bitmask;
+        return createWrapper.apply(null, data);
+      }
+      if (arity == null) {
+        arity = isBindKey ? 0 : func.length;
+      } else if (arity < 0) {
+        arity = 0;
       }
       // fast path for `_.bind`
-      var creater = (bitmask == BIND_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) ? baseBind : baseCreateWrapper;
-      return creater([func, bitmask, partialArgs, partialRightArgs, thisArg, arity]);
+      data = [func, bitmask, arity, thisArg, partialArgs, partialRightArgs];
+      return (bitmask == BIND_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG))
+        ? baseBind(data)
+        : baseCreateWrapper(data);
     }
 
     /**
@@ -1904,15 +1932,15 @@
     }
 
     /**
-     * Sets `this` binding data on a given function.
+     * Sets wrapper metadata on a given function.
      *
      * @private
      * @param {Function} func The function to set data on.
      * @param {Array} value The data array to set.
      */
-    var setBindData = !defineProperty ? noop : function(func, value) {
+    var setData = !defineProperty ? noop : function(func, value) {
       descriptor.value = value;
-      defineProperty(func, '__bindData__', descriptor);
+      defineProperty(func, expando, descriptor);
     };
 
     /**
@@ -4500,9 +4528,14 @@
      * // => 'hi fred'
      */
     function bind(func, thisArg) {
-      return arguments.length > 2
-        ? createWrapper(func, BIND_FLAG | PARTIAL_FLAG, slice(arguments, 2), null, thisArg)
-        : createWrapper(func, BIND_FLAG, null, null, thisArg);
+      if (arguments.length < 3) {
+        return createWrapper(func, BIND_FLAG, null, thisArg);
+      }
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialArgs = slice(arguments, 2);
+
+      arity -= partialArgs.length;
+      return createWrapper(func, BIND_FLAG | PARTIAL_FLAG, arity, thisArg, partialArgs);
     }
 
     /**
@@ -4538,7 +4571,7 @@
 
       while (++index < length) {
         var key = funcs[index];
-        object[key] = createWrapper(object[key], BIND_FLAG, null, null, object);
+        object[key] = createWrapper(object[key], BIND_FLAG, null, object);
       }
       return object;
     }
@@ -4579,9 +4612,9 @@
      * // => 'hiya fred!'
      */
     function bindKey(object, key) {
-      return arguments.length > 2
-        ? createWrapper(key, BIND_FLAG | BIND_KEY_FLAG | PARTIAL_FLAG, slice(arguments, 2), null, object)
-        : createWrapper(key, BIND_FLAG | BIND_KEY_FLAG, null, null, object);
+      return arguments.length < 3
+        ? createWrapper(key, BIND_FLAG | BIND_KEY_FLAG, null, object)
+        : createWrapper(key, BIND_FLAG | BIND_KEY_FLAG | PARTIAL_FLAG, null, object, slice(arguments, 2));
     }
 
     /**
@@ -4665,8 +4698,10 @@
      * // => 6
      */
     function curry(func, arity) {
-      arity = typeof arity == 'number' ? arity : (+arity || func.length);
-      return createWrapper(func, CURRY_FLAG, null, null, null, arity);
+      if (typeof arity != 'number') {
+        arity = +arity || null;
+      }
+      return createWrapper(func, CURRY_FLAG, arity);
     }
 
     /**
@@ -4968,7 +5003,11 @@
      * // => 'hi fred'
      */
     function partial(func) {
-      return createWrapper(func, PARTIAL_FLAG, slice(arguments, 1));
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialArgs = slice(arguments, 1);
+
+      arity -= partialArgs.length;
+      return createWrapper(func, PARTIAL_FLAG, arity, null, partialArgs);
     }
 
     /**
@@ -5002,7 +5041,11 @@
      * // => { '_': _, 'jq': $ }
      */
     function partialRight(func) {
-      return createWrapper(func, PARTIAL_RIGHT_FLAG, null, slice(arguments, 1));
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialRightArgs = slice(arguments, 1);
+
+      arity -= partialRightArgs.length;
+      return createWrapper(func, PARTIAL_RIGHT_FLAG, arity, null, null, partialRightArgs);
     }
 
     /**
@@ -5078,7 +5121,7 @@
      * // => '<p>fred, barney, &amp; pebbles</p>'
      */
     function wrap(value, wrapper) {
-      return createWrapper(wrapper, PARTIAL_FLAG, [value]);
+      return createWrapper(wrapper, PARTIAL_FLAG, null, null, [value]);
     }
 
     /*--------------------------------------------------------------------------*/
@@ -7449,7 +7492,7 @@
      * @memberOf _
      * @type string
      */
-    lodash.VERSION = '2.4.1';
+    lodash.VERSION = version;
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.chain = wrapperChain;
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index 1f835803c..b03718b84 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -1,63 +1,68 @@
 /**
  * @license
- * Lo-Dash 2.4.1 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
+ * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/>
  * Build: `lodash -o ./dist/lodash.compat.js`
+ * Copyright 2012-2014 The Dojo Foundation <http://dojofoundation.org/>
+ * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Available under MIT license <http://lodash.com/license>
  */
-;(function(){function n(n,t){if(n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return 0}function t(n,t,r){r=(r||0)-1;for(var e=n?n.length:0;++r<e;)if(n[r]===t)return r;return-1}function r(n,t){return n.has(t)?0:-1}function e(n){return n.charCodeAt(0)}function u(n,t){for(var r=-1,e=n.length;++r<e&&0<=t.indexOf(n.charAt(r)););return r}function o(n,t){for(var r=n.length;r--&&0<=t.indexOf(n.charAt(r)););return r}function a(t,r){return n(t.f,r.f)||t.g-r.g}function i(t,r){for(var e=t.f,u=r.f,o=-1,a=e.length;++o<a;){var i=n(e[o],u[o]);
-if(i)return i}return t.g-r.g}function l(n){return ct[n]}function f(n){return"\\"+gt[n]}function c(){return j.pop()||[]}function p(n){return typeof n.toString!="function"&&typeof(n+"")=="string"}function s(n){n.length=0,j.length<R&&j.push(n)}function g(n){n.f=n.h=null,x.length<R&&x.push(n)}function h(n,t){return(n=null==n?"":n+"")?null==t?n.slice(m(n),d(n)+1):(t+="",n.slice(u(n,t),o(n,t)+1)):n}function v(n,t){return(n=null==n?"":n+"")?null==t?n.slice(m(n)):(t+="",n.slice(u(n,t))):n}function y(n,t){return(n=null==n?"":n+"")?null==t?n.slice(0,d(n)+1):(t+="",n.slice(0,o(n,t)+1)):n
-}function m(n){for(var t=-1,r=n.length;++t<r;){var e=n.charCodeAt(t);if((160<e||9>e||13<e)&&32!=e&&160!=e&&5760!=e&&6158!=e&&(8192>e||8202<e&&8232!=e&&8233!=e&&8239!=e&&8287!=e&&12288!=e&&65279!=e))break}return t}function d(n){for(var t=n.length;t--;){var r=n.charCodeAt(t);if((160<r||9>r||13<r)&&32!=r&&160!=r&&5760!=r&&6158!=r&&(8192>r||8202<r&&8232!=r&&8233!=r&&8239!=r&&8287!=r&&12288!=r&&65279!=r))break}return t}function b(n){return pt[n]}function _(n){function u(n){return n&&typeof n=="object"&&!he(n)&&Dr.call(n,"__wrapped__")?n:new o(n)
-}function o(n,t){this.__chain__=!!t,this.__wrapped__=n}function m(n){function t(){if(e){var n=Nt(e);qr.apply(n,arguments)}if(this instanceof t){var o=j(r.prototype),n=r.apply(o,n||arguments);return er(n)?n:o}return r.apply(u,n||arguments)}var r=n[0],e=n[2],u=n[4];return ie(t,n),t}function d(n,t,r,e,u){if(r){var o=r(n);if(typeof o!="undefined")return o}if(!er(n))return n;var a=Sr.call(n);if(!it[a]||!oe.nodeClass&&p(n))return n;var i=ee[a];switch(a){case Z:case nt:return new i(+n);case et:case at:return new i(n);
-case ot:return o=i(n.source,K.exec(n)),o.lastIndex=n.lastIndex,o}if(a=he(n),t){var l=!e;e||(e=c()),u||(u=c());for(var f=e.length;f--;)if(e[f]==n)return u[f];o=a?i(n.length):{}}else o=a?Nt(n):Qt({},n);return a&&(Dr.call(n,"index")&&(o.index=n.index),Dr.call(n,"input")&&(o.input=n.input)),t?(e.push(n),u.push(o),(a?st:vt)(n,function(n,a){o[a]=d(n,t,r,e,u)}),l&&(s(e),s(u)),o):o}function j(n){return er(n)?Mr(n):{}}function R(n,t,r){if(typeof n!="function")return ir;if(typeof t=="undefined"||!("prototype"in n))return n;
-var e=n.__bindData__;if(typeof e=="undefined"&&(oe.funcNames&&(e=!n.name),e=e||!oe.funcDecomp,!e)){var u=Tr.call(n);oe.funcNames||(e=!M.test(u)),e||(e=X.test(u),ie(n,e))}if(false===e||true!==e&&e[1]&k)return n;switch(r){case 1:return function(r){return n.call(t,r)};case 2:return function(r,e){return n.call(t,r,e)};case 3:return function(r,e,u){return n.call(t,r,e,u)};case 4:return function(r,e,u,o){return n.call(t,r,e,u,o)}}return Ht(n,t)}function ct(n){function t(){var n=l?a:this;if(u){var g=Nt(u);qr.apply(g,arguments)
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+n.replace(l,function(t,r,e,u,a,l){return e||(e=u),c+=n.slice(i,l).replace(X,f),r&&(c+="'+__e("+r+")+'"),a&&(o=true,c+="';"+a+";\n__p+='"),e&&(c+="'+((__t=("+e+"))==null?'':__t)+'"),i=l+t.length,t}),c+="';",l=r=r.variable,l||(r="obj",c="with("+r+"){"+c+"}"),c=(o?c.replace(T,""):c).replace(P,"$1").replace(q,"$1;"),c="function("+r+"){"+(l?"":r+"||("+r+"={});")+"var __t,__p='',__e=_.escape"+(o?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":";")+c+"return __p}";try{var p=mr(e,"return "+c).apply(w,a)
+}catch(s){throw s.source=c,s}return t?p(t):(p.source=c,p)},u.trim=be,u.trimLeft=_e,u.trimRight=we,u.unescape=function(n){return null==n?"":(n=jr(n),0>n.indexOf(";")?n:n.replace(F,b))},u.uniqueId=function(n){var t=++R;return jr(null==n?"":n)+t},u.all=Dt,u.any=Jt,u.detect=zt,u.findWhere=zt,u.foldl=Xt,u.foldr=Gt,u.include=Bt,u.inject=Xt,pr(function(){var n={};return mt(u,function(t,r){u.prototype[r]||(n[r]=t)}),n}(),false),u.first=It,u.last=function(n,t,r){var e=0,o=n?n.length:0;if(typeof t!="number"&&null!=t){var a=o;
+for(t=u.createCallback(t,r,3);a--&&t(n[a],a,n);)e++}else if(e=t,null==e||r)return n?n[o-1]:w;return e=o-e,Tt(n,0<e?e:0)},u.sample=function(n,t,r){return n&&typeof n.length!="number"?n=lr(n):ie.unindexedChars&&ir(n)&&(n=n.split("")),null==t||r?n?n[wt(0,n.length-1)]:w:(n=Ht(n),n.length=Yr(Qr(0,t),n.length),n)},u.take=It,u.head=It,mt(u,function(n,t){var r="sample"!==t;u.prototype[t]||(u.prototype[t]=function(t,e){var u=this.__chain__,a=n(this.__wrapped__,t,e);return u||null!=t&&(!e||r&&typeof t=="function")?new o(a,u):a
+})}),u.VERSION=I,u.prototype.chain=function(){return this.__chain__=true,this},u.prototype.toString=function(){return jr(this.__wrapped__)},u.prototype.value=Lt,u.prototype.valueOf=Lt,ht(["join","pop","shift"],function(n){var t=Cr[n];u.prototype[n]=function(){var n=this.__chain__,r=t.apply(this.__wrapped__,arguments);return n?new o(r,n):r}}),ht(["push","reverse","sort","unshift"],function(n){var t=Cr[n];u.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),ht(["concat","splice"],function(n){var t=Cr[n];
+u.prototype[n]=function(){return new o(t.apply(this.__wrapped__,arguments),this.__chain__)}}),ie.spliceObjects||ht(["pop","shift","splice"],function(n){var t=Cr[n],r="splice"==n;u.prototype[n]=function(){var n=this.__chain__,e=this.__wrapped__,u=t.apply(e,arguments);return 0===e.length&&delete e[0],n||r?new o(u,n):u}}),u}var w,j=1,x=2,C=4,k=8,O=16,E=32,S=75,A=40,I="2.4.1",N="__lodash@"+I+"__",R=0,T=/\b__p\+='';/g,P=/\b(__p\+=)''\+/g,q=/(__e\(.*?\)|\b__t\))\+'';/g,F=/&(?:amp|lt|gt|quot|#39);/g,$=/[&<>"']/g,L=/<%-([\s\S]+?)%>/g,B=/<%([\s\S]+?)%>/g,D=/<%=([\s\S]+?)%>/g,W=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g,z=/\w*$/,K=/^\s*function[ \n\r\t]+\w/,M=/^0[xX]/,U=/($^)/,V=/\bthis\b/,X=/['\n\r\t\u2028\u2029\\]/g,G=" \t\x0B\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000",H=[],J=[],Q="Array Boolean Date Error Function Math Number Object RegExp Set String _ clearTimeout document isFinite isNaN parseInt setTimeout TypeError window WinRTError".split(" "),Y="constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" "),Z="[object Arguments]",nt="[object Array]",tt="[object Boolean]",rt="[object Date]",et="[object Error]",ut="[object Function]",ot="[object Number]",at="[object Object]",it="[object RegExp]",lt="[object String]",ft={};
+ft[ut]=false,ft[Z]=ft[nt]=ft[tt]=ft[rt]=ft[ot]=ft[at]=ft[it]=ft[lt]=true;var ct={leading:false,maxWait:0,trailing:false},pt={configurable:false,enumerable:false,value:null,writable:false},st={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"},gt={"&amp;":"&","&lt;":"<","&gt;":">","&quot;":'"',"&#39;":"'"},ht={"function":true,object:true},vt={"\\":"\\","'":"'","\n":"n","\r":"r","\t":"t","\u2028":"u2028","\u2029":"u2029"},yt=ht[typeof window]&&window||this,mt=ht[typeof exports]&&exports&&!exports.nodeType&&exports,dt=ht[typeof global]&&global;
+!dt||dt.global!==dt&&dt.window!==dt||(yt=dt);var dt=(ht=ht[typeof module]&&module&&!module.nodeType&&module)&&ht.exports===mt&&mt,bt=_();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(yt._=bt, define(function(){return bt})):mt&&ht?dt?(ht.exports=bt)._=bt:mt._=bt:yt._=bt}).call(this);
\ No newline at end of file
diff --git a/dist/lodash.js b/dist/lodash.js
index bacbfa724..af4840e3b 100644
--- a/dist/lodash.js
+++ b/dist/lodash.js
@@ -12,14 +12,7 @@
   /** Used as a safe reference for `undefined` in pre ES5 environments */
   var undefined;
 
-  /** Used to pool arrays and objects used internally */
-  var arrayPool = [],
-      objectPool = [];
-
-  /** Used to generate unique IDs */
-  var idCounter = 0;
-
-  /** Used to compose bitmasks for `__bindData__` */
+  /** Used to compose bitmasks for wrapper metadata */
   var BIND_FLAG = 1,
       BIND_KEY_FLAG = 2,
       CURRY_FLAG = 4,
@@ -27,23 +20,20 @@
       PARTIAL_FLAG = 16,
       PARTIAL_RIGHT_FLAG = 32;
 
-  /** Used as the size when optimizations are enabled for large arrays */
+  /** Used as the size when optimizations are enabled for arrays */
   var LARGE_ARRAY_SIZE = 75;
 
   /** Used as the max size of the `arrayPool` and `objectPool` */
   var MAX_POOL_SIZE = 40;
 
-  /** Used to detect and test whitespace */
-  var whitespace = (
-    // whitespace
-    ' \t\x0B\f\xA0\ufeff' +
+  /** Used as the semantic version number */
+  var version = '2.4.1';
 
-    // line terminators
-    '\n\r\u2028\u2029' +
+  /** Used as the property name for wrapper metadata */
+  var expando = '__lodash@' + version + '__';
 
-    // unicode category "Zs" space separators
-    '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
-  );
+  /** Used to generate unique IDs */
+  var idCounter = 0;
 
   /** Used to match empty string literals in compiled template source */
   var reEmptyStringLeading = /\b__p \+= '';/g,
@@ -83,6 +73,22 @@
   /** Used to match unescaped characters in compiled string literals */
   var reUnescapedString = /['\n\r\t\u2028\u2029\\]/g;
 
+  /** Used to detect and test whitespace */
+  var whitespace = (
+    // whitespace
+    ' \t\x0B\f\xA0\ufeff' +
+
+    // line terminators
+    '\n\r\u2028\u2029' +
+
+    // unicode category "Zs" space separators
+    '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
+  );
+
+  /** Used to pool arrays and objects used internally */
+  var arrayPool = [],
+      objectPool = [];
+
   /** Used to assign default `context` object properties */
   var contextProps = [
     'Array', 'Boolean', 'Date', 'Function', 'Math', 'Number', 'Object',
@@ -119,7 +125,7 @@
     'trailing': false
   };
 
-  /** Used as the property descriptor for `__bindData__` */
+  /** Used as the property descriptor for wrapper metadata */
   var descriptor = {
     'configurable': false,
     'enumerable': false,
@@ -821,13 +827,13 @@
      * sets its meta data.
      *
      * @private
-     * @param {Array} bindData The bind data array.
+     * @param {Array} data The metadata array.
      * @returns {Function} Returns the new bound function.
      */
-    function baseBind(bindData) {
-      var func = bindData[0],
-          partialArgs = bindData[2],
-          thisArg = bindData[4];
+    function baseBind(data) {
+      var func = data[0],
+          thisArg = data[3],
+          partialArgs = data[4];
 
       function bound() {
         // `Function#bind` spec
@@ -849,7 +855,7 @@
         }
         return func.apply(thisArg, args || arguments);
       }
-      setBindData(bound, bindData);
+      setData(bound, data);
       return bound;
     }
 
@@ -989,26 +995,26 @@
       if (typeof thisArg == 'undefined' || !('prototype' in func)) {
         return func;
       }
-      var bindData = func.__bindData__;
-      if (typeof bindData == 'undefined') {
+      var data = func[expando];
+      if (typeof data == 'undefined') {
         if (support.funcNames) {
-          bindData = !func.name;
+          data = !func.name;
         }
-        bindData = bindData || !support.funcDecomp;
-        if (!bindData) {
+        data = data || !support.funcDecomp;
+        if (!data) {
           var source = fnToString.call(func);
           if (!support.funcNames) {
-            bindData = !reFuncName.test(source);
+            data = !reFuncName.test(source);
           }
-          if (!bindData) {
+          if (!data) {
             // checks if `func` references the `this` keyword and stores the result
-            bindData = reThis.test(source);
-            setBindData(func, bindData);
+            data = reThis.test(source);
+            setData(func, data);
           }
         }
       }
       // exit early if there are no `this` references or `func` is bound
-      if (bindData === false || (bindData !== true && bindData[1] & BIND_FLAG)) {
+      if (data === false || (data !== true && data[1] & BIND_FLAG)) {
         return func;
       }
       switch (argCount) {
@@ -1033,16 +1039,16 @@
      * sets its meta data.
      *
      * @private
-     * @param {Array} bindData The bind data array.
+     * @param {Array} data The metadata array.
      * @returns {Function} Returns the new function.
      */
-    function baseCreateWrapper(bindData) {
-      var func = bindData[0],
-          bitmask = bindData[1],
-          partialArgs = bindData[2],
-          partialRightArgs = bindData[3],
-          thisArg = bindData[4],
-          arity = bindData[5];
+    function baseCreateWrapper(data) {
+      var func = data[0],
+          bitmask = data[1],
+          arity = data[2],
+          thisArg = data[3],
+          partialArgs = data[4],
+          partialRightArgs = data[5];
 
       var isBind = bitmask & BIND_FLAG,
           isBindKey = bitmask & BIND_KEY_FLAG,
@@ -1061,10 +1067,15 @@
           if (partialRightArgs) {
             push.apply(args, partialRightArgs);
           }
-          if (isCurry && args.length < arity) {
+          var argsLength = arguments.length;
+          if (isCurry && argsLength < arity) {
             bitmask |= PARTIAL_FLAG;
-            bitmask &= ~PARTIAL_RIGHT_FLAG;
-            return baseCreateWrapper([func, (isCurryBound ? bitmask : bitmask & ~(BIND_FLAG | BIND_KEY_FLAG)), args, null, thisArg, arity]);
+            bitmask &= ~PARTIAL_RIGHT_FLAG
+            if (!isCurryBound) {
+              bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
+            }
+            var newArity = nativeMax(0, arity - argsLength);
+            return baseCreateWrapper([func, bitmask, newArity, thisArg, args]);
           }
         }
         args || (args = arguments);
@@ -1078,7 +1089,7 @@
         }
         return func.apply(thisBinding, args);
       }
-      setBindData(bound, bindData);
+      setData(bound, data);
       return bound;
     }
 
@@ -1554,25 +1565,23 @@
      * @param {Function|string} func The function or method name to reference.
      * @param {number} bitmask The bitmask of flags to compose.
      *  The bitmask may be composed of the following flags:
-     *  1 - `_.bind`
-     *  2 - `_.bindKey`
-     *  4 - `_.curry`
-     *  8 - `_.curry` (bound)
+     *  1  - `_.bind`
+     *  2  - `_.bindKey`
+     *  4  - `_.curry`
+     *  8  - `_.curry` (bound)
      *  16 - `_.partial`
      *  32 - `_.partialRight`
+     * @param {number} [arity] The arity of `func`.
+     * @param {*} [thisArg] The `this` binding of `func`.
      * @param {Array} [partialArgs] An array of arguments to prepend to those
      *  provided to the new function.
      * @param {Array} [partialRightArgs] An array of arguments to append to those
      *  provided to the new function.
-     * @param {*} [thisArg] The `this` binding of `func`.
-     * @param {number} [arity] The arity of `func`.
      * @returns {Function} Returns the new function.
      */
-    function createWrapper(func, bitmask, partialArgs, partialRightArgs, thisArg, arity) {
+    function createWrapper(func, bitmask, arity, thisArg, partialArgs, partialRightArgs) {
       var isBind = bitmask & BIND_FLAG,
           isBindKey = bitmask & BIND_KEY_FLAG,
-          isCurry = bitmask & CURRY_FLAG,
-          isCurryBound = bitmask & CURRY_BOUND_FLAG,
           isPartial = bitmask & PARTIAL_FLAG,
           isPartialRight = bitmask & PARTIAL_RIGHT_FLAG;
 
@@ -1580,50 +1589,69 @@
         throw new TypeError;
       }
       if (isPartial && !partialArgs.length) {
-        bitmask &= ~16;
+        bitmask &= ~PARTIAL_FLAG;
         isPartial = partialArgs = false;
       }
       if (isPartialRight && !partialRightArgs.length) {
-        bitmask &= ~32;
+        bitmask &= ~PARTIAL_RIGHT_FLAG;
         isPartialRight = partialRightArgs = false;
       }
-      var bindData = func && func.__bindData__;
-      if (bindData && bindData !== true) {
-        // clone `bindData`
-        bindData = slice(bindData);
-        if (bindData[2]) {
-          bindData[2] = slice(bindData[2]);
+      var data = !isBindKey && func[expando];
+      if (data && data !== true) {
+        // shallow clone `data`
+        data = slice(data);
+
+        // clone partial left arguments
+        if (data[4]) {
+          data[4] = slice(data[4]);
         }
-        if (bindData[3]) {
-          bindData[3] = slice(bindData[3]);
+        // clone partial right arguments
+        if (data[5]) {
+          data[5] = slice(data[5]);
         }
-        // set `thisBinding` is not previously bound
-        if (isBind && !(bindData[1] & BIND_FLAG)) {
-          bindData[4] = thisArg;
+        // set arity if provided
+        if (typeof arity == 'number') {
+          data[2] = arity;
         }
-        // set if previously bound but not currently (subsequent curried functions)
-        if (!isBind && bindData[1] & BIND_FLAG) {
-          bitmask |= 8;
+        // set `thisArg` if not previously bound
+        var bound = data[1] & BIND_FLAG;
+        if (isBind && !bound) {
+          data[3] = thisArg;
         }
-        // set curried arity if not yet set
-        if (isCurry && !(bindData[1] & CURRY_FLAG)) {
-          bindData[5] = arity;
+        // set if currying a bound function
+        if (!isBind && bound) {
+          bitmask |= CURRY_BOUND_FLAG;
         }
         // append partial left arguments
         if (isPartial) {
-          push.apply(bindData[2] || (bindData[2] = []), partialArgs);
+          if (data[4]) {
+            push.apply(data[4], partialArgs);
+          } else {
+            data[4] = partialArgs;
+          }
         }
-        // append partial right arguments
+        // prepend partial right arguments
         if (isPartialRight) {
-          unshift.apply(bindData[3] || (bindData[3] = []), partialRightArgs);
+          if (data[5]) {
+            unshift.apply(data[5], partialRightArgs);
+          } else {
+            data[5] = partialRightArgs;
+          }
         }
         // merge flags
-        bindData[1] |= bitmask;
-        return createWrapper.apply(null, bindData);
+        data[1] |= bitmask;
+        return createWrapper.apply(null, data);
+      }
+      if (arity == null) {
+        arity = isBindKey ? 0 : func.length;
+      } else if (arity < 0) {
+        arity = 0;
       }
       // fast path for `_.bind`
-      var creater = (bitmask == BIND_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) ? baseBind : baseCreateWrapper;
-      return creater([func, bitmask, partialArgs, partialRightArgs, thisArg, arity]);
+      data = [func, bitmask, arity, thisArg, partialArgs, partialRightArgs];
+      return (bitmask == BIND_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG))
+        ? baseBind(data)
+        : baseCreateWrapper(data);
     }
 
     /**
@@ -1651,15 +1679,15 @@
     }
 
     /**
-     * Sets `this` binding data on a given function.
+     * Sets wrapper metadata on a given function.
      *
      * @private
      * @param {Function} func The function to set data on.
      * @param {Array} value The data array to set.
      */
-    var setBindData = !defineProperty ? noop : function(func, value) {
+    var setData = !defineProperty ? noop : function(func, value) {
       descriptor.value = value;
-      defineProperty(func, '__bindData__', descriptor);
+      defineProperty(func, expando, descriptor);
     };
 
     /**
@@ -4229,9 +4257,14 @@
      * // => 'hi fred'
      */
     function bind(func, thisArg) {
-      return arguments.length > 2
-        ? createWrapper(func, BIND_FLAG | PARTIAL_FLAG, slice(arguments, 2), null, thisArg)
-        : createWrapper(func, BIND_FLAG, null, null, thisArg);
+      if (arguments.length < 3) {
+        return createWrapper(func, BIND_FLAG, null, thisArg);
+      }
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialArgs = slice(arguments, 2);
+
+      arity -= partialArgs.length;
+      return createWrapper(func, BIND_FLAG | PARTIAL_FLAG, arity, thisArg, partialArgs);
     }
 
     /**
@@ -4267,7 +4300,7 @@
 
       while (++index < length) {
         var key = funcs[index];
-        object[key] = createWrapper(object[key], BIND_FLAG, null, null, object);
+        object[key] = createWrapper(object[key], BIND_FLAG, null, object);
       }
       return object;
     }
@@ -4308,9 +4341,9 @@
      * // => 'hiya fred!'
      */
     function bindKey(object, key) {
-      return arguments.length > 2
-        ? createWrapper(key, BIND_FLAG | BIND_KEY_FLAG | PARTIAL_FLAG, slice(arguments, 2), null, object)
-        : createWrapper(key, BIND_FLAG | BIND_KEY_FLAG, null, null, object);
+      return arguments.length < 3
+        ? createWrapper(key, BIND_FLAG | BIND_KEY_FLAG, null, object)
+        : createWrapper(key, BIND_FLAG | BIND_KEY_FLAG | PARTIAL_FLAG, null, object, slice(arguments, 2));
     }
 
     /**
@@ -4394,8 +4427,10 @@
      * // => 6
      */
     function curry(func, arity) {
-      arity = typeof arity == 'number' ? arity : (+arity || func.length);
-      return createWrapper(func, CURRY_FLAG, null, null, null, arity);
+      if (typeof arity != 'number') {
+        arity = +arity || null;
+      }
+      return createWrapper(func, CURRY_FLAG, arity);
     }
 
     /**
@@ -4697,7 +4732,11 @@
      * // => 'hi fred'
      */
     function partial(func) {
-      return createWrapper(func, PARTIAL_FLAG, slice(arguments, 1));
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialArgs = slice(arguments, 1);
+
+      arity -= partialArgs.length;
+      return createWrapper(func, PARTIAL_FLAG, arity, null, partialArgs);
     }
 
     /**
@@ -4731,7 +4770,11 @@
      * // => { '_': _, 'jq': $ }
      */
     function partialRight(func) {
-      return createWrapper(func, PARTIAL_RIGHT_FLAG, null, slice(arguments, 1));
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialRightArgs = slice(arguments, 1);
+
+      arity -= partialRightArgs.length;
+      return createWrapper(func, PARTIAL_RIGHT_FLAG, arity, null, null, partialRightArgs);
     }
 
     /**
@@ -4807,7 +4850,7 @@
      * // => '<p>fred, barney, &amp; pebbles</p>'
      */
     function wrap(value, wrapper) {
-      return createWrapper(wrapper, PARTIAL_FLAG, [value]);
+      return createWrapper(wrapper, PARTIAL_FLAG, null, null, [value]);
     }
 
     /*--------------------------------------------------------------------------*/
@@ -7165,7 +7208,7 @@
      * @memberOf _
      * @type string
      */
-    lodash.VERSION = '2.4.1';
+    lodash.VERSION = version;
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.chain = wrapperChain;
diff --git a/dist/lodash.min.js b/dist/lodash.min.js
index 857960e65..972e59f21 100644
--- a/dist/lodash.min.js
+++ b/dist/lodash.min.js
@@ -1,59 +1,63 @@
 /**
  * @license
- * Lo-Dash 2.4.1 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
+ * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/>
  * Build: `lodash modern -o ./dist/lodash.js`
+ * Copyright 2012-2014 The Dojo Foundation <http://dojofoundation.org/>
+ * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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+n=_r(n||""),r=Yt({},r,e);var u,o=Yt({},r.imports,e.imports),e=se(o),o=ir(o),i=0,a=r.interpolate||M,f="__p+='",a=br((r.escape||M).source+"|"+a.source+"|"+(a===W?z:M).source+"|"+(r.evaluate||M).source+"|$","g");n.replace(a,function(t,r,e,o,a,c){return e||(e=o),f+=n.slice(i,c).replace(V,l),r&&(f+="'+__e("+r+")+'"),a&&(u=true,f+="';"+a+";\n__p+='"),e&&(f+="'+((__t=("+e+"))==null?'':__t)+'"),i=c+t.length,t}),f+="';",a=r=r.variable,a||(r="obj",f="with("+r+"){"+f+"}"),f=(u?f.replace(I,""):f).replace(T,"$1").replace(F,"$1;"),f="function("+r+"){"+(a?"":r+"||("+r+"={});")+"var __t,__p='',__e=_.escape"+(u?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":";")+f+"return __p}";
+try{var c=vr(e,"return "+f).apply(_,o)}catch(p){throw p.source=f,p}return t?c(t):(c.source=f,c)},y.trim=ge,y.trimLeft=he,y.trimRight=ve,y.unescape=function(n){return null==n?"":(n=_r(n),0>n.indexOf(";")?n:n.replace($,d))},y.uniqueId=function(n){var t=++R;return _r(null==n?"":n)+t},y.all=qt,y.any=Gt,y.detect=zt,y.findWhere=zt,y.foldl=Ut,y.foldr=Vt,y.include=Dt,y.inject=Ut,lr(function(){var n={};return mt(y,function(t,r){y.prototype[r]||(n[r]=t)}),n}(),false),y.first=St,y.last=function(n,t,r){var e=0,u=n?n.length:0;
+if(typeof t!="number"&&null!=t){var o=u;for(t=y.createCallback(t,r,3);o--&&t(n[o],o,n);)e++}else if(e=t,null==e||r)return n?n[u-1]:_;return e=u-e,Rt(n,0<e?e:0)},y.sample=function(n,t,r){return n&&typeof n.length!="number"&&(n=ir(n)),null==t||r?n?n[_t(0,n.length-1)]:_:(n=Xt(n),n.length=Gr(Xr(0,t),n.length),n)},y.take=St,y.head=St,mt(y,function(n,t){var r="sample"!==t;y.prototype[t]||(y.prototype[t]=function(t,e){var u=this.__chain__,o=n(this.__wrapped__,t,e);return u||null!=t&&(!e||r&&typeof t=="function")?new m(o,u):o
+})}),y.VERSION=E,y.prototype.chain=function(){return this.__chain__=true,this},y.prototype.toString=function(){return _r(this.__wrapped__)},y.prototype.value=Bt,y.prototype.valueOf=Bt,ht(["join","pop","shift"],function(n){var t=jr[n];y.prototype[n]=function(){var n=this.__chain__,r=t.apply(this.__wrapped__,arguments);return n?new m(r,n):r}}),ht(["push","reverse","sort","unshift"],function(n){var t=jr[n];y.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),ht(["concat","splice"],function(n){var t=jr[n];
+y.prototype[n]=function(){return new m(t.apply(this.__wrapped__,arguments),this.__chain__)}}),y}var _,w=1,j=2,k=4,x=8,C=16,O=32,A=75,S=40,E="2.4.1",N="__lodash@"+E+"__",R=0,I=/\b__p\+='';/g,T=/\b(__p\+=)''\+/g,F=/(__e\(.*?\)|\b__t\))\+'';/g,$=/&(?:amp|lt|gt|quot|#39);/g,B=/[&<>"']/g,D=/<%-([\s\S]+?)%>/g,q=/<%([\s\S]+?)%>/g,W=/<%=([\s\S]+?)%>/g,z=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g,L=/\w*$/,P=/^\s*function[ \n\r\t]+\w/,K=/^0[xX]/,M=/($^)/,U=/\bthis\b/,V=/['\n\r\t\u2028\u2029\\]/g,X=" \t\x0B\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000",G=[],H=[],J="Array Boolean Date Function Math Number Object RegExp Set String _ clearTimeout document isFinite isNaN parseInt setTimeout TypeError window WinRTError".split(" "),Q="[object Arguments]",Y="[object Array]",Z="[object Boolean]",nt="[object Date]",tt="[object Function]",rt="[object Number]",et="[object Object]",ut="[object RegExp]",ot="[object String]",it={};
+it[tt]=false,it[Q]=it[Y]=it[Z]=it[nt]=it[rt]=it[et]=it[ut]=it[ot]=true;var at={leading:false,maxWait:0,trailing:false},ft={configurable:false,enumerable:false,value:null,writable:false},lt={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"},ct={"&amp;":"&","&lt;":"<","&gt;":">","&quot;":'"',"&#39;":"'"},pt={"function":true,object:true},st={"\\":"\\","'":"'","\n":"n","\r":"r","\t":"t","\u2028":"u2028","\u2029":"u2029"},gt=pt[typeof window]&&window||this,ht=pt[typeof exports]&&exports&&!exports.nodeType&&exports,vt=pt[typeof global]&&global;
+!vt||vt.global!==vt&&vt.window!==vt||(gt=vt);var vt=(pt=pt[typeof module]&&module&&!module.nodeType&&module)&&pt.exports===ht&&ht,yt=b();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(gt._=yt, define(function(){return yt})):ht&&pt?vt?(pt.exports=yt)._=yt:ht._=yt:gt._=yt}).call(this);
\ No newline at end of file
diff --git a/lodash.js b/lodash.js
index bbeeb7a34..dbc388320 100644
--- a/lodash.js
+++ b/lodash.js
@@ -11,14 +11,7 @@
   /** Used as a safe reference for `undefined` in pre ES5 environments */
   var undefined;
 
-  /** Used to pool arrays and objects used internally */
-  var arrayPool = [],
-      objectPool = [];
-
-  /** Used to generate unique IDs */
-  var idCounter = 0;
-
-  /** Used to compose bitmasks for `__bindData__` */
+  /** Used to compose bitmasks for wrapper metadata */
   var BIND_FLAG = 1,
       BIND_KEY_FLAG = 2,
       CURRY_FLAG = 4,
@@ -26,23 +19,20 @@
       PARTIAL_FLAG = 16,
       PARTIAL_RIGHT_FLAG = 32;
 
-  /** Used as the size when optimizations are enabled for large arrays */
+  /** Used as the size when optimizations are enabled for arrays */
   var LARGE_ARRAY_SIZE = 75;
 
   /** Used as the max size of the `arrayPool` and `objectPool` */
   var MAX_POOL_SIZE = 40;
 
-  /** Used to detect and test whitespace */
-  var whitespace = (
-    // whitespace
-    ' \t\x0B\f\xA0\ufeff' +
+  /** Used as the semantic version number */
+  var version = '2.4.1';
 
-    // line terminators
-    '\n\r\u2028\u2029' +
+  /** Used as the property name for wrapper metadata */
+  var expando = '__lodash@' + version + '__';
 
-    // unicode category "Zs" space separators
-    '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
-  );
+  /** Used to generate unique IDs */
+  var idCounter = 0;
 
   /** Used to match empty string literals in compiled template source */
   var reEmptyStringLeading = /\b__p \+= '';/g,
@@ -82,6 +72,22 @@
   /** Used to match unescaped characters in compiled string literals */
   var reUnescapedString = /['\n\r\t\u2028\u2029\\]/g;
 
+  /** Used to detect and test whitespace */
+  var whitespace = (
+    // whitespace
+    ' \t\x0B\f\xA0\ufeff' +
+
+    // line terminators
+    '\n\r\u2028\u2029' +
+
+    // unicode category "Zs" space separators
+    '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
+  );
+
+  /** Used to pool arrays and objects used internally */
+  var arrayPool = [],
+      objectPool = [];
+
   /** Used to assign default `context` object properties */
   var contextProps = [
     'Array', 'Boolean', 'Date', 'Error', 'Function', 'Math', 'Number', 'Object',
@@ -125,7 +131,7 @@
     'trailing': false
   };
 
-  /** Used as the property descriptor for `__bindData__` */
+  /** Used as the property descriptor for wrapper metadata */
   var descriptor = {
     'configurable': false,
     'enumerable': false,
@@ -1057,13 +1063,13 @@
      * sets its meta data.
      *
      * @private
-     * @param {Array} bindData The bind data array.
+     * @param {Array} data The metadata array.
      * @returns {Function} Returns the new bound function.
      */
-    function baseBind(bindData) {
-      var func = bindData[0],
-          partialArgs = bindData[2],
-          thisArg = bindData[4];
+    function baseBind(data) {
+      var func = data[0],
+          thisArg = data[3],
+          partialArgs = data[4];
 
       function bound() {
         // `Function#bind` spec
@@ -1085,7 +1091,7 @@
         }
         return func.apply(thisArg, args || arguments);
       }
-      setBindData(bound, bindData);
+      setData(bound, data);
       return bound;
     }
 
@@ -1225,26 +1231,26 @@
       if (typeof thisArg == 'undefined' || !('prototype' in func)) {
         return func;
       }
-      var bindData = func.__bindData__;
-      if (typeof bindData == 'undefined') {
+      var data = func[expando];
+      if (typeof data == 'undefined') {
         if (support.funcNames) {
-          bindData = !func.name;
+          data = !func.name;
         }
-        bindData = bindData || !support.funcDecomp;
-        if (!bindData) {
+        data = data || !support.funcDecomp;
+        if (!data) {
           var source = fnToString.call(func);
           if (!support.funcNames) {
-            bindData = !reFuncName.test(source);
+            data = !reFuncName.test(source);
           }
-          if (!bindData) {
+          if (!data) {
             // checks if `func` references the `this` keyword and stores the result
-            bindData = reThis.test(source);
-            setBindData(func, bindData);
+            data = reThis.test(source);
+            setData(func, data);
           }
         }
       }
       // exit early if there are no `this` references or `func` is bound
-      if (bindData === false || (bindData !== true && bindData[1] & BIND_FLAG)) {
+      if (data === false || (data !== true && data[1] & BIND_FLAG)) {
         return func;
       }
       switch (argCount) {
@@ -1269,16 +1275,16 @@
      * sets its meta data.
      *
      * @private
-     * @param {Array} bindData The bind data array.
+     * @param {Array} data The metadata array.
      * @returns {Function} Returns the new function.
      */
-    function baseCreateWrapper(bindData) {
-      var func = bindData[0],
-          bitmask = bindData[1],
-          partialArgs = bindData[2],
-          partialRightArgs = bindData[3],
-          thisArg = bindData[4],
-          arity = bindData[5];
+    function baseCreateWrapper(data) {
+      var func = data[0],
+          bitmask = data[1],
+          arity = data[2],
+          thisArg = data[3],
+          partialArgs = data[4],
+          partialRightArgs = data[5];
 
       var isBind = bitmask & BIND_FLAG,
           isBindKey = bitmask & BIND_KEY_FLAG,
@@ -1297,10 +1303,15 @@
           if (partialRightArgs) {
             push.apply(args, partialRightArgs);
           }
-          if (isCurry && args.length < arity) {
+          var argsLength = arguments.length;
+          if (isCurry && argsLength < arity) {
             bitmask |= PARTIAL_FLAG;
-            bitmask &= ~PARTIAL_RIGHT_FLAG;
-            return baseCreateWrapper([func, (isCurryBound ? bitmask : bitmask & ~(BIND_FLAG | BIND_KEY_FLAG)), args, null, thisArg, arity]);
+            bitmask &= ~PARTIAL_RIGHT_FLAG
+            if (!isCurryBound) {
+              bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
+            }
+            var newArity = nativeMax(0, arity - argsLength);
+            return baseCreateWrapper([func, bitmask, newArity, thisArg, args]);
           }
         }
         args || (args = arguments);
@@ -1314,7 +1325,7 @@
         }
         return func.apply(thisBinding, args);
       }
-      setBindData(bound, bindData);
+      setData(bound, data);
       return bound;
     }
 
@@ -1793,25 +1804,23 @@
      * @param {Function|string} func The function or method name to reference.
      * @param {number} bitmask The bitmask of flags to compose.
      *  The bitmask may be composed of the following flags:
-     *  1 - `_.bind`
-     *  2 - `_.bindKey`
-     *  4 - `_.curry`
-     *  8 - `_.curry` (bound)
+     *  1  - `_.bind`
+     *  2  - `_.bindKey`
+     *  4  - `_.curry`
+     *  8  - `_.curry` (bound)
      *  16 - `_.partial`
      *  32 - `_.partialRight`
+     * @param {number} [arity] The arity of `func`.
+     * @param {*} [thisArg] The `this` binding of `func`.
      * @param {Array} [partialArgs] An array of arguments to prepend to those
      *  provided to the new function.
      * @param {Array} [partialRightArgs] An array of arguments to append to those
      *  provided to the new function.
-     * @param {*} [thisArg] The `this` binding of `func`.
-     * @param {number} [arity] The arity of `func`.
      * @returns {Function} Returns the new function.
      */
-    function createWrapper(func, bitmask, partialArgs, partialRightArgs, thisArg, arity) {
+    function createWrapper(func, bitmask, arity, thisArg, partialArgs, partialRightArgs) {
       var isBind = bitmask & BIND_FLAG,
           isBindKey = bitmask & BIND_KEY_FLAG,
-          isCurry = bitmask & CURRY_FLAG,
-          isCurryBound = bitmask & CURRY_BOUND_FLAG,
           isPartial = bitmask & PARTIAL_FLAG,
           isPartialRight = bitmask & PARTIAL_RIGHT_FLAG;
 
@@ -1819,50 +1828,69 @@
         throw new TypeError;
       }
       if (isPartial && !partialArgs.length) {
-        bitmask &= ~16;
+        bitmask &= ~PARTIAL_FLAG;
         isPartial = partialArgs = false;
       }
       if (isPartialRight && !partialRightArgs.length) {
-        bitmask &= ~32;
+        bitmask &= ~PARTIAL_RIGHT_FLAG;
         isPartialRight = partialRightArgs = false;
       }
-      var bindData = func && func.__bindData__;
-      if (bindData && bindData !== true) {
-        // clone `bindData`
-        bindData = slice(bindData);
-        if (bindData[2]) {
-          bindData[2] = slice(bindData[2]);
+      var data = !isBindKey && func[expando];
+      if (data && data !== true) {
+        // shallow clone `data`
+        data = slice(data);
+
+        // clone partial left arguments
+        if (data[4]) {
+          data[4] = slice(data[4]);
         }
-        if (bindData[3]) {
-          bindData[3] = slice(bindData[3]);
+        // clone partial right arguments
+        if (data[5]) {
+          data[5] = slice(data[5]);
         }
-        // set `thisBinding` is not previously bound
-        if (isBind && !(bindData[1] & BIND_FLAG)) {
-          bindData[4] = thisArg;
+        // set arity if provided
+        if (typeof arity == 'number') {
+          data[2] = arity;
         }
-        // set if previously bound but not currently (subsequent curried functions)
-        if (!isBind && bindData[1] & BIND_FLAG) {
-          bitmask |= 8;
+        // set `thisArg` if not previously bound
+        var bound = data[1] & BIND_FLAG;
+        if (isBind && !bound) {
+          data[3] = thisArg;
         }
-        // set curried arity if not yet set
-        if (isCurry && !(bindData[1] & CURRY_FLAG)) {
-          bindData[5] = arity;
+        // set if currying a bound function
+        if (!isBind && bound) {
+          bitmask |= CURRY_BOUND_FLAG;
         }
         // append partial left arguments
         if (isPartial) {
-          push.apply(bindData[2] || (bindData[2] = []), partialArgs);
+          if (data[4]) {
+            push.apply(data[4], partialArgs);
+          } else {
+            data[4] = partialArgs;
+          }
         }
-        // append partial right arguments
+        // prepend partial right arguments
         if (isPartialRight) {
-          unshift.apply(bindData[3] || (bindData[3] = []), partialRightArgs);
+          if (data[5]) {
+            unshift.apply(data[5], partialRightArgs);
+          } else {
+            data[5] = partialRightArgs;
+          }
         }
         // merge flags
-        bindData[1] |= bitmask;
-        return createWrapper.apply(null, bindData);
+        data[1] |= bitmask;
+        return createWrapper.apply(null, data);
+      }
+      if (arity == null) {
+        arity = isBindKey ? 0 : func.length;
+      } else if (arity < 0) {
+        arity = 0;
       }
       // fast path for `_.bind`
-      var creater = (bitmask == BIND_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) ? baseBind : baseCreateWrapper;
-      return creater([func, bitmask, partialArgs, partialRightArgs, thisArg, arity]);
+      data = [func, bitmask, arity, thisArg, partialArgs, partialRightArgs];
+      return (bitmask == BIND_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG))
+        ? baseBind(data)
+        : baseCreateWrapper(data);
     }
 
     /**
@@ -1919,15 +1947,15 @@
     }
 
     /**
-     * Sets `this` binding data on a given function.
+     * Sets wrapper metadata on a given function.
      *
      * @private
      * @param {Function} func The function to set data on.
      * @param {Array} value The data array to set.
      */
-    var setBindData = !defineProperty ? noop : function(func, value) {
+    var setData = !defineProperty ? noop : function(func, value) {
       descriptor.value = value;
-      defineProperty(func, '__bindData__', descriptor);
+      defineProperty(func, expando, descriptor);
     };
 
     /**
@@ -4516,9 +4544,14 @@
      * // => 'hi fred'
      */
     function bind(func, thisArg) {
-      return arguments.length > 2
-        ? createWrapper(func, BIND_FLAG | PARTIAL_FLAG, slice(arguments, 2), null, thisArg)
-        : createWrapper(func, BIND_FLAG, null, null, thisArg);
+      if (arguments.length < 3) {
+        return createWrapper(func, BIND_FLAG, null, thisArg);
+      }
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialArgs = slice(arguments, 2);
+
+      arity -= partialArgs.length;
+      return createWrapper(func, BIND_FLAG | PARTIAL_FLAG, arity, thisArg, partialArgs);
     }
 
     /**
@@ -4554,7 +4587,7 @@
 
       while (++index < length) {
         var key = funcs[index];
-        object[key] = createWrapper(object[key], BIND_FLAG, null, null, object);
+        object[key] = createWrapper(object[key], BIND_FLAG, null, object);
       }
       return object;
     }
@@ -4595,9 +4628,9 @@
      * // => 'hiya fred!'
      */
     function bindKey(object, key) {
-      return arguments.length > 2
-        ? createWrapper(key, BIND_FLAG | BIND_KEY_FLAG | PARTIAL_FLAG, slice(arguments, 2), null, object)
-        : createWrapper(key, BIND_FLAG | BIND_KEY_FLAG, null, null, object);
+      return arguments.length < 3
+        ? createWrapper(key, BIND_FLAG | BIND_KEY_FLAG, null, object)
+        : createWrapper(key, BIND_FLAG | BIND_KEY_FLAG | PARTIAL_FLAG, null, object, slice(arguments, 2));
     }
 
     /**
@@ -4681,8 +4714,10 @@
      * // => 6
      */
     function curry(func, arity) {
-      arity = typeof arity == 'number' ? arity : (+arity || func.length);
-      return createWrapper(func, CURRY_FLAG, null, null, null, arity);
+      if (typeof arity != 'number') {
+        arity = +arity || null;
+      }
+      return createWrapper(func, CURRY_FLAG, arity);
     }
 
     /**
@@ -4984,7 +5019,11 @@
      * // => 'hi fred'
      */
     function partial(func) {
-      return createWrapper(func, PARTIAL_FLAG, slice(arguments, 1));
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialArgs = slice(arguments, 1);
+
+      arity -= partialArgs.length;
+      return createWrapper(func, PARTIAL_FLAG, arity, null, partialArgs);
     }
 
     /**
@@ -5018,7 +5057,11 @@
      * // => { '_': _, 'jq': $ }
      */
     function partialRight(func) {
-      return createWrapper(func, PARTIAL_RIGHT_FLAG, null, slice(arguments, 1));
+      var arity = func && (func[expando] ? func[expando][2] : func.length),
+          partialRightArgs = slice(arguments, 1);
+
+      arity -= partialRightArgs.length;
+      return createWrapper(func, PARTIAL_RIGHT_FLAG, arity, null, null, partialRightArgs);
     }
 
     /**
@@ -5094,7 +5137,7 @@
      * // => '<p>fred, barney, &amp; pebbles</p>'
      */
     function wrap(value, wrapper) {
-      return createWrapper(wrapper, PARTIAL_FLAG, [value]);
+      return createWrapper(wrapper, PARTIAL_FLAG, null, null, [value]);
     }
 
     /*--------------------------------------------------------------------------*/
@@ -7466,7 +7509,7 @@
      * @memberOf _
      * @type string
      */
-    lodash.VERSION = '2.4.1';
+    lodash.VERSION = version;
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.chain = wrapperChain;
diff --git a/test/test.js b/test/test.js
index 17fd3d385..a90f947be 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,6 +1,9 @@
 ;(function(root, undefined) {
   'use strict';
 
+  /** Used as the size when optimizations are enabled for arrays */
+  var LARGE_ARRAY_SIZE = 75;
+
   /** Used to store Lo-Dash to test for bad extensions/shims */
   var lodashBizarro = root.lodashBizarro;
 
@@ -144,15 +147,15 @@
     (_.runInContext ? _.runInContext(root) : _)
   ));
 
+  /** Used as the property name for wrapper metadata */
+  var expando = '__lodash@'  + _.VERSION + '__';
+
   /** Used to pass falsey values to methods */
   var falsey = [, '', 0, false, NaN, null, undefined];
 
   /** Used to pass empty values to methods */
   var empties = [[], {}].concat(falsey.slice(1));
 
-  /** Used as the size when optimizations are enabled for large arrays */
-  var LARGE_ARRAY_SIZE = 75;
-
   /** Used to set property descriptors */
   var defineProperty = (function() {
     try {
@@ -468,7 +471,7 @@
         } catch(e) {
           actual = null;
         }
-        equal('__bindData__' in actual, false, message('Object.defineProperty'));
+        equal(expando in actual, false, message('Object.defineProperty'));
 
         try {
           actual = [lodashBizarro.isPlainObject({}), lodashBizarro.isPlainObject([])];
@@ -1503,7 +1506,7 @@
       }
     });
 
-    test('should only write `__bindData__` to named functions', 3, function() {
+    test('should only write metadata to named functions', 3, function() {
       function a() {};
       function c() {};
 
@@ -1512,16 +1515,16 @@
 
       if (defineProperty && _.support.funcDecomp) {
         _.createCallback(a, object);
-        ok('__bindData__' in a);
+        ok(expando in a);
 
         _.createCallback(b, object);
-        equal('__bindData__' in b, false);
+        equal(expando in b, false);
 
         if (_.support.funcNames) {
           _.support.funcNames = false;
           _.createCallback(c, object);
 
-          ok('__bindData__' in c);
+          ok(expando in c);
           _.support.funcNames = true;
         }
         else {
@@ -1533,12 +1536,12 @@
       }
     });
 
-    test('should not write `__bindData__` when `_.support.funcDecomp` is `false`', 1, function() {
+    test('should not write metadata when `_.support.funcDecomp` is `false`', 1, function() {
       function a() {};
 
       if (defineProperty && lodashBizarro) {
         lodashBizarro.createCallback(a, {});
-        equal('__bindData__' in a, false);
+        equal(expando in a, false);
       }
       else {
         skipTest();
@@ -1557,13 +1560,12 @@
 
     test('should curry based on the number of arguments provided', 3, function() {
       var curried = _.curry(func);
-
       equal(curried(1)(2)(3), 6);
       equal(curried(1, 2)(3), 6);
       equal(curried(1, 2, 3), 6);
     });
 
-    test('should work with partial methods', 2, function() {
+    test('should work with partialed methods', 2, function() {
       var curried = _.curry(func),
           a = _.partial(curried, 1),
           b = _.partialRight(a, 3),
@@ -1576,7 +1578,6 @@
     test('should return a function with a `length` of `0`', 6, function() {
       _.times(2, function(index) {
         var curried = index ? _.curry(func, 4) : _.curry(func);
-
         strictEqual(curried.length, 0);
         strictEqual(curried(1).length, 0);
         strictEqual(curried(1, 2).length, 0);
@@ -1599,9 +1600,7 @@
         var value = this || {};
         return value[a] + value[b] + value[c];
       }
-
       var object = { 'a': 1, 'b': 2, 'c': 3 };
-
       equal(_.curry(_.bind(func, object), 3)('a')('b')('c'), 6);
       equal(_.curry(_.bind(func, object), 3)('a', 'b')('c'), 6);
       equal(_.curry(_.bind(func, object), 3)('a', 'b', 'c'), 6);
@@ -1611,7 +1610,6 @@
       equal(_.bind(_.curry(func), object)('a', 'b', 'c'), 6);
 
       object.func = _.curry(func);
-
       ok(_.isEqual(object.func('a')('b')('c'), NaN));
       ok(_.isEqual(object.func('a', 'b')('c'), NaN));
       equal(object.func('a', 'b', 'c'), 6);
@@ -5862,22 +5860,18 @@
         isPartial = methodName == 'partial';
 
     test('`_.' + methodName + '` partially applies without additional arguments', 1, function() {
-      var arg = 'a',
-          fn = function(x) { return x; };
-
-      equal(func(fn, arg)(), arg);
+      var fn = function(a) { return a; };
+      equal(func(fn, 'a')(), 'a');
     });
 
     test('`_.' + methodName + '` partially applies with additional arguments', 1, function() {
-      var arg1 = 'a',
-          arg2 = 'b',
-          expected = [arg1, arg2],
-          fn = function(x, y) { return [x, y]; };
+      var expected = ['a', 'b'],
+          fn = function(a, b) { return [a, b]; };
 
       if (!isPartial) {
         expected.reverse();
       }
-      deepEqual(func(fn, arg1)(arg2), expected);
+      deepEqual(func(fn, 'a')('b'), expected);
     });
 
     test('`_.' + methodName + '` works without partially applying arguments, without additional arguments', 1, function() {
@@ -5886,10 +5880,8 @@
     });
 
     test('`_.' + methodName + '` works without partially applying arguments, with additional arguments', 1, function() {
-      var arg = 'a',
-          fn = function(x) { return x; };
-
-      equal(func(fn)(arg), arg);
+      var fn = function(a) { return a; };
+      equal(func(fn)('a'), 'a');
     });
 
     test('`_.' + methodName + '` should not alter the `this` binding', 3, function() {
@@ -5910,7 +5902,7 @@
       strictEqual(actual.length, 0);
     });
 
-    test('ensure `new bound` is an instance of `func`', 2, function() {
+    test('`_.' + methodName + '` ensure `new bound` is an instance of `func`', 2, function() {
       function Foo(value) {
         return value && object;
       }
@@ -5921,7 +5913,7 @@
       strictEqual(new bound(true), object);
     });
 
-    test('`_.' + methodName + '` should clone `__bindData__` for created functions', 3, function() {
+    test('`_.' + methodName + '` should clone metadata for created functions', 3, function() {
       function greet(greeting, name) {
         return greeting + ' ' + name;
       }
@@ -5933,6 +5925,14 @@
       equal(par2(), isPartial ? 'hi barney'  : 'barney hi');
       equal(par3(), isPartial ? 'hi pebbles' : 'pebbles hi');
     });
+
+    test('`_.' + methodName + '` should work with curried methods', 2, function() {
+      var fn = function(a, b, c) { return a + b + c; },
+          curried = _.curry(func(fn, 1));
+
+      equal(curried(2, 3), 6);
+      equal(curried(2)(3), 6);
+    });
   });
 
   /*--------------------------------------------------------------------------*/