diff --git a/README.md b/README.md
index da02fd2e4..76257256d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# lodash v4.7.0
+# lodash v4.7.1
 
 The [lodash](https://lodash.com/) library exported as [npm packages](https://www.npmjs.com/browse/keyword/lodash-modularized) per method.
 
diff --git a/lodash._baseiteratee/LICENSE b/lodash._baseiteratee/LICENSE
deleted file mode 100644
index e0c69d560..000000000
--- a/lodash._baseiteratee/LICENSE
+++ /dev/null
@@ -1,47 +0,0 @@
-Copyright jQuery Foundation and other contributors <https://jquery.org/>
-
-Based on Underscore.js, copyright Jeremy Ashkenas,
-DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
-
-This software consists of voluntary contributions made by many
-individuals. For exact contribution history, see the revision history
-available at https://github.com/lodash/lodash
-
-The following license applies to all parts of this software except as
-documented below:
-
-====
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-====
-
-Copyright and related rights for sample code are waived via CC0. Sample
-code is defined as all source code displayed within the prose of the
-documentation.
-
-CC0: http://creativecommons.org/publicdomain/zero/1.0/
-
-====
-
-Files located in the node_modules and vendor directories are externally
-maintained libraries used by this software which have their own
-licenses; we recommend you read them, as their terms may differ from the
-terms above.
diff --git a/lodash._baseiteratee/README.md b/lodash._baseiteratee/README.md
deleted file mode 100644
index f0c2858b2..000000000
--- a/lodash._baseiteratee/README.md
+++ /dev/null
@@ -1,18 +0,0 @@
-# lodash._baseiteratee v4.7.0
-
-The internal [lodash](https://lodash.com/) function `baseIteratee` exported as a [Node.js](https://nodejs.org/) module.
-
-## Installation
-
-Using npm:
-```bash
-$ {sudo -H} npm i -g npm
-$ npm i --save lodash._baseiteratee
-```
-
-In Node.js:
-```js
-var baseIteratee = require('lodash._baseiteratee');
-```
-
-See the [package source](https://github.com/lodash/lodash/blob/4.7.0-npm-packages/lodash._baseiteratee) for more details.
diff --git a/lodash._baseiteratee/index.js b/lodash._baseiteratee/index.js
deleted file mode 100644
index 6d7ef935b..000000000
--- a/lodash._baseiteratee/index.js
+++ /dev/null
@@ -1,2160 +0,0 @@
-/**
- * lodash (Custom Build) <https://lodash.com/>
- * Build: `lodash modularize exports="npm" -o ./`
- * Copyright jQuery Foundation and other contributors <https://jquery.org/>
- * Released under MIT license <https://lodash.com/license>
- * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- */
-var stringToPath = require('lodash._stringtopath');
-
-/** Used as the size to enable large array optimizations. */
-var LARGE_ARRAY_SIZE = 200;
-
-/** Used to stand-in for `undefined` hash values. */
-var HASH_UNDEFINED = '__lodash_hash_undefined__';
-
-/** Used to compose bitmasks for comparison styles. */
-var UNORDERED_COMPARE_FLAG = 1,
-    PARTIAL_COMPARE_FLAG = 2;
-
-/** Used as references for various `Number` constants. */
-var INFINITY = 1 / 0,
-    MAX_SAFE_INTEGER = 9007199254740991;
-
-/** `Object#toString` result references. */
-var argsTag = '[object Arguments]',
-    arrayTag = '[object Array]',
-    boolTag = '[object Boolean]',
-    dateTag = '[object Date]',
-    errorTag = '[object Error]',
-    funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    mapTag = '[object Map]',
-    numberTag = '[object Number]',
-    objectTag = '[object Object]',
-    promiseTag = '[object Promise]',
-    regexpTag = '[object RegExp]',
-    setTag = '[object Set]',
-    stringTag = '[object String]',
-    symbolTag = '[object Symbol]',
-    weakMapTag = '[object WeakMap]';
-
-var arrayBufferTag = '[object ArrayBuffer]',
-    dataViewTag = '[object DataView]',
-    float32Tag = '[object Float32Array]',
-    float64Tag = '[object Float64Array]',
-    int8Tag = '[object Int8Array]',
-    int16Tag = '[object Int16Array]',
-    int32Tag = '[object Int32Array]',
-    uint8Tag = '[object Uint8Array]',
-    uint8ClampedTag = '[object Uint8ClampedArray]',
-    uint16Tag = '[object Uint16Array]',
-    uint32Tag = '[object Uint32Array]';
-
-/** Used to match property names within property paths. */
-var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
-    reIsPlainProp = /^\w*$/;
-
-/**
- * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
- */
-var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
-
-/** Used to detect host constructors (Safari). */
-var reIsHostCtor = /^\[object .+?Constructor\]$/;
-
-/** Used to detect unsigned integer values. */
-var reIsUint = /^(?:0|[1-9]\d*)$/;
-
-/** Used to identify `toStringTag` values of typed arrays. */
-var typedArrayTags = {};
-typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
-typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
-typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
-typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
-typedArrayTags[uint32Tag] = true;
-typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
-typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
-typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
-typedArrayTags[errorTag] = typedArrayTags[funcTag] =
-typedArrayTags[mapTag] = typedArrayTags[numberTag] =
-typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
-typedArrayTags[setTag] = typedArrayTags[stringTag] =
-typedArrayTags[weakMapTag] = false;
-
-/** Used to determine if values are of the language type `Object`. */
-var objectTypes = {
-  'function': true,
-  'object': true
-};
-
-/** Detect free variable `exports`. */
-var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType)
-  ? exports
-  : undefined;
-
-/** Detect free variable `module`. */
-var freeModule = (objectTypes[typeof module] && module && !module.nodeType)
-  ? module
-  : undefined;
-
-/** Detect free variable `global` from Node.js. */
-var freeGlobal = checkGlobal(freeExports && freeModule && typeof global == 'object' && global);
-
-/** Detect free variable `self`. */
-var freeSelf = checkGlobal(objectTypes[typeof self] && self);
-
-/** Detect free variable `window`. */
-var freeWindow = checkGlobal(objectTypes[typeof window] && window);
-
-/** Detect `this` as the global object. */
-var thisGlobal = checkGlobal(objectTypes[typeof this] && this);
-
-/**
- * Used as a reference to the global object.
- *
- * The `this` value is used if it's the global object to avoid Greasemonkey's
- * restricted `window` object, otherwise the `window` object is used.
- */
-var root = freeGlobal ||
-  ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) ||
-    freeSelf || thisGlobal || Function('return this')();
-
-/**
- * A specialized version of `_.map` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- */
-function arrayMap(array, iteratee) {
-  var index = -1,
-      length = array.length,
-      result = Array(length);
-
-  while (++index < length) {
-    result[index] = iteratee(array[index], index, array);
-  }
-  return result;
-}
-
-/**
- * A specialized version of `_.some` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {boolean} Returns `true` if any element passes the predicate check,
- *  else `false`.
- */
-function arraySome(array, predicate) {
-  var index = -1,
-      length = array.length;
-
-  while (++index < length) {
-    if (predicate(array[index], index, array)) {
-      return true;
-    }
-  }
-  return false;
-}
-
-/**
- * The base implementation of `_.times` without support for iteratee shorthands
- * or max array length checks.
- *
- * @private
- * @param {number} n The number of times to invoke `iteratee`.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the array of results.
- */
-function baseTimes(n, iteratee) {
-  var index = -1,
-      result = Array(n);
-
-  while (++index < n) {
-    result[index] = iteratee(index);
-  }
-  return result;
-}
-
-/**
- * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
- * of key-value pairs for `object` corresponding to the property names of `props`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array} props The property names to get values for.
- * @returns {Object} Returns the key-value pairs.
- */
-function baseToPairs(object, props) {
-  return arrayMap(props, function(key) {
-    return [key, object[key]];
-  });
-}
-
-/**
- * Checks if `value` is a global object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {null|Object} Returns `value` if it's a global object, else `null`.
- */
-function checkGlobal(value) {
-  return (value && value.Object === Object) ? value : null;
-}
-
-/**
- * Checks if `value` is a host object in IE < 9.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
- */
-function isHostObject(value) {
-  // Many host objects are `Object` objects that can coerce to strings
-  // despite having improperly defined `toString` methods.
-  var result = false;
-  if (value != null && typeof value.toString != 'function') {
-    try {
-      result = !!(value + '');
-    } catch (e) {}
-  }
-  return result;
-}
-
-/**
- * Converts `map` to its key-value pairs.
- *
- * @private
- * @param {Object} map The map to convert.
- * @returns {Array} Returns the key-value pairs.
- */
-function mapToArray(map) {
-  var index = -1,
-      result = Array(map.size);
-
-  map.forEach(function(value, key) {
-    result[++index] = [key, value];
-  });
-  return result;
-}
-
-/**
- * Converts `set` to an array of its values.
- *
- * @private
- * @param {Object} set The set to convert.
- * @returns {Array} Returns the values.
- */
-function setToArray(set) {
-  var index = -1,
-      result = Array(set.size);
-
-  set.forEach(function(value) {
-    result[++index] = value;
-  });
-  return result;
-}
-
-/**
- * Converts `set` to its value-value pairs.
- *
- * @private
- * @param {Object} set The set to convert.
- * @returns {Array} Returns the value-value pairs.
- */
-function setToPairs(set) {
-  var index = -1,
-      result = Array(set.size);
-
-  set.forEach(function(value) {
-    result[++index] = [value, value];
-  });
-  return result;
-}
-
-/** Used for built-in method references. */
-var arrayProto = Array.prototype,
-    objectProto = Object.prototype;
-
-/** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty = objectProto.hasOwnProperty;
-
-/**
- * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
- * of values.
- */
-var objectToString = objectProto.toString;
-
-/** Used to detect if a method is native. */
-var reIsNative = RegExp('^' +
-  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
-  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
-);
-
-/** Built-in value references. */
-var Symbol = root.Symbol,
-    Uint8Array = root.Uint8Array,
-    propertyIsEnumerable = objectProto.propertyIsEnumerable,
-    splice = arrayProto.splice;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeGetPrototype = Object.getPrototypeOf,
-    nativeKeys = Object.keys;
-
-/* Built-in method references that are verified to be native. */
-var DataView = getNative(root, 'DataView'),
-    Map = getNative(root, 'Map'),
-    Promise = getNative(root, 'Promise'),
-    Set = getNative(root, 'Set'),
-    WeakMap = getNative(root, 'WeakMap'),
-    nativeCreate = getNative(Object, 'create');
-
-/** Used to detect maps, sets, and weakmaps. */
-var dataViewCtorString = toSource(DataView),
-    mapCtorString = toSource(Map),
-    promiseCtorString = toSource(Promise),
-    setCtorString = toSource(Set),
-    weakMapCtorString = toSource(WeakMap);
-
-/** Used to convert symbols to primitives and strings. */
-var symbolProto = Symbol ? Symbol.prototype : undefined,
-    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;
-
-/**
- * Creates a hash object.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function Hash(entries) {
-  var index = -1,
-      length = entries ? entries.length : 0;
-
-  this.clear();
-  while (++index < length) {
-    var entry = entries[index];
-    this.set(entry[0], entry[1]);
-  }
-}
-
-/**
- * Removes all key-value entries from the hash.
- *
- * @private
- * @name clear
- * @memberOf Hash
- */
-function hashClear() {
-  this.__data__ = nativeCreate ? nativeCreate(null) : {};
-}
-
-/**
- * Removes `key` and its value from the hash.
- *
- * @private
- * @name delete
- * @memberOf Hash
- * @param {Object} hash The hash to modify.
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function hashDelete(key) {
-  return this.has(key) && delete this.__data__[key];
-}
-
-/**
- * Gets the hash value for `key`.
- *
- * @private
- * @name get
- * @memberOf Hash
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function hashGet(key) {
-  var data = this.__data__;
-  if (nativeCreate) {
-    var result = data[key];
-    return result === HASH_UNDEFINED ? undefined : result;
-  }
-  return hasOwnProperty.call(data, key) ? data[key] : undefined;
-}
-
-/**
- * Checks if a hash value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf Hash
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function hashHas(key) {
-  var data = this.__data__;
-  return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
-}
-
-/**
- * Sets the hash `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf Hash
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the hash instance.
- */
-function hashSet(key, value) {
-  var data = this.__data__;
-  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
-  return this;
-}
-
-// Add methods to `Hash`.
-Hash.prototype.clear = hashClear;
-Hash.prototype['delete'] = hashDelete;
-Hash.prototype.get = hashGet;
-Hash.prototype.has = hashHas;
-Hash.prototype.set = hashSet;
-
-/**
- * Creates an list cache object.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function ListCache(entries) {
-  var index = -1,
-      length = entries ? entries.length : 0;
-
-  this.clear();
-  while (++index < length) {
-    var entry = entries[index];
-    this.set(entry[0], entry[1]);
-  }
-}
-
-/**
- * Removes all key-value entries from the list cache.
- *
- * @private
- * @name clear
- * @memberOf ListCache
- */
-function listCacheClear() {
-  this.__data__ = [];
-}
-
-/**
- * Removes `key` and its value from the list cache.
- *
- * @private
- * @name delete
- * @memberOf ListCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function listCacheDelete(key) {
-  var data = this.__data__,
-      index = assocIndexOf(data, key);
-
-  if (index < 0) {
-    return false;
-  }
-  var lastIndex = data.length - 1;
-  if (index == lastIndex) {
-    data.pop();
-  } else {
-    splice.call(data, index, 1);
-  }
-  return true;
-}
-
-/**
- * Gets the list cache value for `key`.
- *
- * @private
- * @name get
- * @memberOf ListCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function listCacheGet(key) {
-  var data = this.__data__,
-      index = assocIndexOf(data, key);
-
-  return index < 0 ? undefined : data[index][1];
-}
-
-/**
- * Checks if a list cache value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf ListCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function listCacheHas(key) {
-  return assocIndexOf(this.__data__, key) > -1;
-}
-
-/**
- * Sets the list cache `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf ListCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the list cache instance.
- */
-function listCacheSet(key, value) {
-  var data = this.__data__,
-      index = assocIndexOf(data, key);
-
-  if (index < 0) {
-    data.push([key, value]);
-  } else {
-    data[index][1] = value;
-  }
-  return this;
-}
-
-// Add methods to `ListCache`.
-ListCache.prototype.clear = listCacheClear;
-ListCache.prototype['delete'] = listCacheDelete;
-ListCache.prototype.get = listCacheGet;
-ListCache.prototype.has = listCacheHas;
-ListCache.prototype.set = listCacheSet;
-
-/**
- * Creates a map cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function MapCache(entries) {
-  var index = -1,
-      length = entries ? entries.length : 0;
-
-  this.clear();
-  while (++index < length) {
-    var entry = entries[index];
-    this.set(entry[0], entry[1]);
-  }
-}
-
-/**
- * Removes all key-value entries from the map.
- *
- * @private
- * @name clear
- * @memberOf MapCache
- */
-function mapCacheClear() {
-  this.__data__ = {
-    'hash': new Hash,
-    'map': new (Map || ListCache),
-    'string': new Hash
-  };
-}
-
-/**
- * Removes `key` and its value from the map.
- *
- * @private
- * @name delete
- * @memberOf MapCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function mapCacheDelete(key) {
-  return getMapData(this, key)['delete'](key);
-}
-
-/**
- * Gets the map value for `key`.
- *
- * @private
- * @name get
- * @memberOf MapCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function mapCacheGet(key) {
-  return getMapData(this, key).get(key);
-}
-
-/**
- * Checks if a map value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf MapCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function mapCacheHas(key) {
-  return getMapData(this, key).has(key);
-}
-
-/**
- * Sets the map `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf MapCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the map cache instance.
- */
-function mapCacheSet(key, value) {
-  getMapData(this, key).set(key, value);
-  return this;
-}
-
-// Add methods to `MapCache`.
-MapCache.prototype.clear = mapCacheClear;
-MapCache.prototype['delete'] = mapCacheDelete;
-MapCache.prototype.get = mapCacheGet;
-MapCache.prototype.has = mapCacheHas;
-MapCache.prototype.set = mapCacheSet;
-
-/**
- *
- * Creates an array cache object to store unique values.
- *
- * @private
- * @constructor
- * @param {Array} [values] The values to cache.
- */
-function SetCache(values) {
-  var index = -1,
-      length = values ? values.length : 0;
-
-  this.__data__ = new MapCache;
-  while (++index < length) {
-    this.add(values[index]);
-  }
-}
-
-/**
- * Adds `value` to the array cache.
- *
- * @private
- * @name add
- * @memberOf SetCache
- * @alias push
- * @param {*} value The value to cache.
- * @returns {Object} Returns the cache instance.
- */
-function setCacheAdd(value) {
-  this.__data__.set(value, HASH_UNDEFINED);
-  return this;
-}
-
-/**
- * Checks if `value` is in the array cache.
- *
- * @private
- * @name has
- * @memberOf SetCache
- * @param {*} value The value to search for.
- * @returns {number} Returns `true` if `value` is found, else `false`.
- */
-function setCacheHas(value) {
-  return this.__data__.has(value);
-}
-
-// Add methods to `SetCache`.
-SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
-SetCache.prototype.has = setCacheHas;
-
-/**
- * Creates a stack cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function Stack(entries) {
-  this.__data__ = new ListCache(entries);
-}
-
-/**
- * Removes all key-value entries from the stack.
- *
- * @private
- * @name clear
- * @memberOf Stack
- */
-function stackClear() {
-  this.__data__ = new ListCache;
-}
-
-/**
- * Removes `key` and its value from the stack.
- *
- * @private
- * @name delete
- * @memberOf Stack
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function stackDelete(key) {
-  return this.__data__['delete'](key);
-}
-
-/**
- * Gets the stack value for `key`.
- *
- * @private
- * @name get
- * @memberOf Stack
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function stackGet(key) {
-  return this.__data__.get(key);
-}
-
-/**
- * Checks if a stack value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf Stack
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function stackHas(key) {
-  return this.__data__.has(key);
-}
-
-/**
- * Sets the stack `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf Stack
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the stack cache instance.
- */
-function stackSet(key, value) {
-  var cache = this.__data__;
-  if (cache instanceof ListCache && cache.__data__.length == LARGE_ARRAY_SIZE) {
-    cache = this.__data__ = new MapCache(cache.__data__);
-  }
-  cache.set(key, value);
-  return this;
-}
-
-// Add methods to `Stack`.
-Stack.prototype.clear = stackClear;
-Stack.prototype['delete'] = stackDelete;
-Stack.prototype.get = stackGet;
-Stack.prototype.has = stackHas;
-Stack.prototype.set = stackSet;
-
-/**
- * Gets the index at which the `key` is found in `array` of key-value pairs.
- *
- * @private
- * @param {Array} array The array to search.
- * @param {*} key The key to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function assocIndexOf(array, key) {
-  var length = array.length;
-  while (length--) {
-    if (eq(array[length][0], key)) {
-      return length;
-    }
-  }
-  return -1;
-}
-
-/**
- * The base implementation of `_.get` without support for default values.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @returns {*} Returns the resolved value.
- */
-function baseGet(object, path) {
-  path = isKey(path, object) ? [path] : castPath(path);
-
-  var index = 0,
-      length = path.length;
-
-  while (object != null && index < length) {
-    object = object[toKey(path[index++])];
-  }
-  return (index && index == length) ? object : undefined;
-}
-
-/**
- * The base implementation of `_.has` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
-function baseHas(object, key) {
-  // Avoid a bug in IE 10-11 where objects with a [[Prototype]] of `null`,
-  // that are composed entirely of index properties, return `false` for
-  // `hasOwnProperty` checks of them.
-  return hasOwnProperty.call(object, key) ||
-    (typeof object == 'object' && key in object && getPrototype(object) === null);
-}
-
-/**
- * The base implementation of `_.hasIn` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
-function baseHasIn(object, key) {
-  return key in Object(object);
-}
-
-/**
- * The base implementation of `_.isEqual` which supports partial comparisons
- * and tracks traversed objects.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @param {Function} [customizer] The function to customize comparisons.
- * @param {boolean} [bitmask] The bitmask of comparison flags.
- *  The bitmask may be composed of the following flags:
- *     1 - Unordered comparison
- *     2 - Partial comparison
- * @param {Object} [stack] Tracks traversed `value` and `other` objects.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- */
-function baseIsEqual(value, other, customizer, bitmask, stack) {
-  if (value === other) {
-    return true;
-  }
-  if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
-    return value !== value && other !== other;
-  }
-  return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
-}
-
-/**
- * A specialized version of `baseIsEqual` for arrays and objects which performs
- * deep comparisons and tracks traversed objects enabling objects with circular
- * references to be compared.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} [customizer] The function to customize comparisons.
- * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} [stack] Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) {
-  var objIsArr = isArray(object),
-      othIsArr = isArray(other),
-      objTag = arrayTag,
-      othTag = arrayTag;
-
-  if (!objIsArr) {
-    objTag = getTag(object);
-    objTag = objTag == argsTag ? objectTag : objTag;
-  }
-  if (!othIsArr) {
-    othTag = getTag(other);
-    othTag = othTag == argsTag ? objectTag : othTag;
-  }
-  var objIsObj = objTag == objectTag && !isHostObject(object),
-      othIsObj = othTag == objectTag && !isHostObject(other),
-      isSameTag = objTag == othTag;
-
-  if (isSameTag && !objIsObj) {
-    stack || (stack = new Stack);
-    return (objIsArr || isTypedArray(object))
-      ? equalArrays(object, other, equalFunc, customizer, bitmask, stack)
-      : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack);
-  }
-  if (!(bitmask & PARTIAL_COMPARE_FLAG)) {
-    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
-        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
-
-    if (objIsWrapped || othIsWrapped) {
-      var objUnwrapped = objIsWrapped ? object.value() : object,
-          othUnwrapped = othIsWrapped ? other.value() : other;
-
-      stack || (stack = new Stack);
-      return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack);
-    }
-  }
-  if (!isSameTag) {
-    return false;
-  }
-  stack || (stack = new Stack);
-  return equalObjects(object, other, equalFunc, customizer, bitmask, stack);
-}
-
-/**
- * The base implementation of `_.isMatch` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property values to match.
- * @param {Array} matchData The property names, values, and compare flags to match.
- * @param {Function} [customizer] The function to customize comparisons.
- * @returns {boolean} Returns `true` if `object` is a match, else `false`.
- */
-function baseIsMatch(object, source, matchData, customizer) {
-  var index = matchData.length,
-      length = index,
-      noCustomizer = !customizer;
-
-  if (object == null) {
-    return !length;
-  }
-  object = Object(object);
-  while (index--) {
-    var data = matchData[index];
-    if ((noCustomizer && data[2])
-          ? data[1] !== object[data[0]]
-          : !(data[0] in object)
-        ) {
-      return false;
-    }
-  }
-  while (++index < length) {
-    data = matchData[index];
-    var key = data[0],
-        objValue = object[key],
-        srcValue = data[1];
-
-    if (noCustomizer && data[2]) {
-      if (objValue === undefined && !(key in object)) {
-        return false;
-      }
-    } else {
-      var stack = new Stack;
-      if (customizer) {
-        var result = customizer(objValue, srcValue, key, object, source, stack);
-      }
-      if (!(result === undefined
-            ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack)
-            : result
-          )) {
-        return false;
-      }
-    }
-  }
-  return true;
-}
-
-/**
- * The base implementation of `_.iteratee`.
- *
- * @private
- * @param {*} [value=_.identity] The value to convert to an iteratee.
- * @returns {Function} Returns the iteratee.
- */
-function baseIteratee(value) {
-  // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
-  // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
-  if (typeof value == 'function') {
-    return value;
-  }
-  if (value == null) {
-    return identity;
-  }
-  if (typeof value == 'object') {
-    return isArray(value)
-      ? baseMatchesProperty(value[0], value[1])
-      : baseMatches(value);
-  }
-  return property(value);
-}
-
-/**
- * The base implementation of `_.keys` which doesn't skip the constructor
- * property of prototypes or treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function baseKeys(object) {
-  return nativeKeys(Object(object));
-}
-
-/**
- * The base implementation of `_.matches` which doesn't clone `source`.
- *
- * @private
- * @param {Object} source The object of property values to match.
- * @returns {Function} Returns the new spec function.
- */
-function baseMatches(source) {
-  var matchData = getMatchData(source);
-  if (matchData.length == 1 && matchData[0][2]) {
-    return matchesStrictComparable(matchData[0][0], matchData[0][1]);
-  }
-  return function(object) {
-    return object === source || baseIsMatch(object, source, matchData);
-  };
-}
-
-/**
- * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
- *
- * @private
- * @param {string} path The path of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new spec function.
- */
-function baseMatchesProperty(path, srcValue) {
-  if (isKey(path) && isStrictComparable(srcValue)) {
-    return matchesStrictComparable(toKey(path), srcValue);
-  }
-  return function(object) {
-    var objValue = get(object, path);
-    return (objValue === undefined && objValue === srcValue)
-      ? hasIn(object, path)
-      : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG);
-  };
-}
-
-/**
- * The base implementation of `_.property` without support for deep paths.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
-function baseProperty(key) {
-  return function(object) {
-    return object == null ? undefined : object[key];
-  };
-}
-
-/**
- * A specialized version of `baseProperty` which supports deep paths.
- *
- * @private
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
-function basePropertyDeep(path) {
-  return function(object) {
-    return baseGet(object, path);
-  };
-}
-
-/**
- * Casts `value` to a path array if it's not one.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {Array} Returns the cast property path array.
- */
-function castPath(value) {
-  return isArray(value) ? value : stringToPath(value);
-}
-
-/**
- * Creates a `_.toPairs` or `_.toPairsIn` function.
- *
- * @private
- * @param {Function} keysFunc The function to get the keys of a given object.
- * @returns {Function} Returns the new pairs function.
- */
-function createToPairs(keysFunc) {
-  return function(object) {
-    var tag = getTag(object);
-    if (tag == mapTag) {
-      return mapToArray(object);
-    }
-    if (tag == setTag) {
-      return setToPairs(object);
-    }
-    return baseToPairs(object, keysFunc(object));
-  };
-}
-
-/**
- * A specialized version of `baseIsEqualDeep` for arrays with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Array} array The array to compare.
- * @param {Array} other The other array to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} customizer The function to customize comparisons.
- * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} stack Tracks traversed `array` and `other` objects.
- * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
- */
-function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
-  var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
-      arrLength = array.length,
-      othLength = other.length;
-
-  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
-    return false;
-  }
-  // Assume cyclic values are equal.
-  var stacked = stack.get(array);
-  if (stacked) {
-    return stacked == other;
-  }
-  var index = -1,
-      result = true,
-      seen = (bitmask & UNORDERED_COMPARE_FLAG) ? new SetCache : undefined;
-
-  stack.set(array, other);
-
-  // Ignore non-index properties.
-  while (++index < arrLength) {
-    var arrValue = array[index],
-        othValue = other[index];
-
-    if (customizer) {
-      var compared = isPartial
-        ? customizer(othValue, arrValue, index, other, array, stack)
-        : customizer(arrValue, othValue, index, array, other, stack);
-    }
-    if (compared !== undefined) {
-      if (compared) {
-        continue;
-      }
-      result = false;
-      break;
-    }
-    // Recursively compare arrays (susceptible to call stack limits).
-    if (seen) {
-      if (!arraySome(other, function(othValue, othIndex) {
-            if (!seen.has(othIndex) &&
-                (arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) {
-              return seen.add(othIndex);
-            }
-          })) {
-        result = false;
-        break;
-      }
-    } else if (!(
-          arrValue === othValue ||
-            equalFunc(arrValue, othValue, customizer, bitmask, stack)
-        )) {
-      result = false;
-      break;
-    }
-  }
-  stack['delete'](array);
-  return result;
-}
-
-/**
- * A specialized version of `baseIsEqualDeep` for comparing objects of
- * the same `toStringTag`.
- *
- * **Note:** This function only supports comparing values with tags of
- * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {string} tag The `toStringTag` of the objects to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} customizer The function to customize comparisons.
- * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) {
-  switch (tag) {
-    case dataViewTag:
-      if ((object.byteLength != other.byteLength) ||
-          (object.byteOffset != other.byteOffset)) {
-        return false;
-      }
-      object = object.buffer;
-      other = other.buffer;
-
-    case arrayBufferTag:
-      if ((object.byteLength != other.byteLength) ||
-          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
-        return false;
-      }
-      return true;
-
-    case boolTag:
-    case dateTag:
-      // Coerce dates and booleans to numbers, dates to milliseconds and
-      // booleans to `1` or `0` treating invalid dates coerced to `NaN` as
-      // not equal.
-      return +object == +other;
-
-    case errorTag:
-      return object.name == other.name && object.message == other.message;
-
-    case numberTag:
-      // Treat `NaN` vs. `NaN` as equal.
-      return (object != +object) ? other != +other : object == +other;
-
-    case regexpTag:
-    case stringTag:
-      // Coerce regexes to strings and treat strings, primitives and objects,
-      // as equal. See http://www.ecma-international.org/ecma-262/6.0/#sec-regexp.prototype.tostring
-      // for more details.
-      return object == (other + '');
-
-    case mapTag:
-      var convert = mapToArray;
-
-    case setTag:
-      var isPartial = bitmask & PARTIAL_COMPARE_FLAG;
-      convert || (convert = setToArray);
-
-      if (object.size != other.size && !isPartial) {
-        return false;
-      }
-      // Assume cyclic values are equal.
-      var stacked = stack.get(object);
-      if (stacked) {
-        return stacked == other;
-      }
-      bitmask |= UNORDERED_COMPARE_FLAG;
-      stack.set(object, other);
-
-      // Recursively compare objects (susceptible to call stack limits).
-      return equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask, stack);
-
-    case symbolTag:
-      if (symbolValueOf) {
-        return symbolValueOf.call(object) == symbolValueOf.call(other);
-      }
-  }
-  return false;
-}
-
-/**
- * A specialized version of `baseIsEqualDeep` for objects with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} customizer The function to customize comparisons.
- * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
-  var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
-      objProps = keys(object),
-      objLength = objProps.length,
-      othProps = keys(other),
-      othLength = othProps.length;
-
-  if (objLength != othLength && !isPartial) {
-    return false;
-  }
-  var index = objLength;
-  while (index--) {
-    var key = objProps[index];
-    if (!(isPartial ? key in other : baseHas(other, key))) {
-      return false;
-    }
-  }
-  // Assume cyclic values are equal.
-  var stacked = stack.get(object);
-  if (stacked) {
-    return stacked == other;
-  }
-  var result = true;
-  stack.set(object, other);
-
-  var skipCtor = isPartial;
-  while (++index < objLength) {
-    key = objProps[index];
-    var objValue = object[key],
-        othValue = other[key];
-
-    if (customizer) {
-      var compared = isPartial
-        ? customizer(othValue, objValue, key, other, object, stack)
-        : customizer(objValue, othValue, key, object, other, stack);
-    }
-    // Recursively compare objects (susceptible to call stack limits).
-    if (!(compared === undefined
-          ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack))
-          : compared
-        )) {
-      result = false;
-      break;
-    }
-    skipCtor || (skipCtor = key == 'constructor');
-  }
-  if (result && !skipCtor) {
-    var objCtor = object.constructor,
-        othCtor = other.constructor;
-
-    // Non `Object` object instances with different constructors are not equal.
-    if (objCtor != othCtor &&
-        ('constructor' in object && 'constructor' in other) &&
-        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
-          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
-      result = false;
-    }
-  }
-  stack['delete'](object);
-  return result;
-}
-
-/**
- * Gets the "length" property value of `object`.
- *
- * **Note:** This function is used to avoid a
- * [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) that affects
- * Safari on at least iOS 8.1-8.3 ARM64.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {*} Returns the "length" value.
- */
-var getLength = baseProperty('length');
-
-/**
- * Gets the data for `map`.
- *
- * @private
- * @param {Object} map The map to query.
- * @param {string} key The reference key.
- * @returns {*} Returns the map data.
- */
-function getMapData(map, key) {
-  var data = map.__data__;
-  return isKeyable(key)
-    ? data[typeof key == 'string' ? 'string' : 'hash']
-    : data.map;
-}
-
-/**
- * Gets the property names, values, and compare flags of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the match data of `object`.
- */
-function getMatchData(object) {
-  var result = toPairs(object),
-      length = result.length;
-
-  while (length--) {
-    result[length][2] = isStrictComparable(result[length][1]);
-  }
-  return result;
-}
-
-/**
- * Gets the native function at `key` of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {string} key The key of the method to get.
- * @returns {*} Returns the function if it's native, else `undefined`.
- */
-function getNative(object, key) {
-  var value = object[key];
-  return isNative(value) ? value : undefined;
-}
-
-/**
- * Gets the `[[Prototype]]` of `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {null|Object} Returns the `[[Prototype]]`.
- */
-function getPrototype(value) {
-  return nativeGetPrototype(Object(value));
-}
-
-/**
- * Gets the `toStringTag` of `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {string} Returns the `toStringTag`.
- */
-function getTag(value) {
-  return objectToString.call(value);
-}
-
-// Fallback for data views, maps, sets, and weak maps in IE 11,
-// for data views in Edge, and promises in Node.js.
-if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
-    (Map && getTag(new Map) != mapTag) ||
-    (Promise && getTag(Promise.resolve()) != promiseTag) ||
-    (Set && getTag(new Set) != setTag) ||
-    (WeakMap && getTag(new WeakMap) != weakMapTag)) {
-  getTag = function(value) {
-    var result = objectToString.call(value),
-        Ctor = result == objectTag ? value.constructor : undefined,
-        ctorString = Ctor ? toSource(Ctor) : undefined;
-
-    if (ctorString) {
-      switch (ctorString) {
-        case dataViewCtorString: return dataViewTag;
-        case mapCtorString: return mapTag;
-        case promiseCtorString: return promiseTag;
-        case setCtorString: return setTag;
-        case weakMapCtorString: return weakMapTag;
-      }
-    }
-    return result;
-  };
-}
-
-/**
- * Checks if `path` exists on `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @param {Function} hasFunc The function to check properties.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- */
-function hasPath(object, path, hasFunc) {
-  path = isKey(path, object) ? [path] : castPath(path);
-
-  var result,
-      index = -1,
-      length = path.length;
-
-  while (++index < length) {
-    var key = toKey(path[index]);
-    if (!(result = object != null && hasFunc(object, key))) {
-      break;
-    }
-    object = object[key];
-  }
-  if (result) {
-    return result;
-  }
-  var length = object ? object.length : 0;
-  return !!length && isLength(length) && isIndex(key, length) &&
-    (isArray(object) || isString(object) || isArguments(object));
-}
-
-/**
- * Creates an array of index keys for `object` values of arrays,
- * `arguments` objects, and strings, otherwise `null` is returned.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array|null} Returns index keys, else `null`.
- */
-function indexKeys(object) {
-  var length = object ? object.length : undefined;
-  if (isLength(length) &&
-      (isArray(object) || isString(object) || isArguments(object))) {
-    return baseTimes(length, String);
-  }
-  return null;
-}
-
-/**
- * Checks if `value` is a valid array-like index.
- *
- * @private
- * @param {*} value The value to check.
- * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
- * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
- */
-function isIndex(value, length) {
-  length = length == null ? MAX_SAFE_INTEGER : length;
-  return !!length &&
-    (typeof value == 'number' || reIsUint.test(value)) &&
-    (value > -1 && value % 1 == 0 && value < length);
-}
-
-/**
- * Checks if `value` is a property name and not a property path.
- *
- * @private
- * @param {*} value The value to check.
- * @param {Object} [object] The object to query keys on.
- * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
- */
-function isKey(value, object) {
-  if (isArray(value)) {
-    return false;
-  }
-  var type = typeof value;
-  if (type == 'number' || type == 'symbol' || type == 'boolean' ||
-      value == null || isSymbol(value)) {
-    return true;
-  }
-  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
-    (object != null && value in Object(object));
-}
-
-/**
- * Checks if `value` is suitable for use as unique object key.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
- */
-function isKeyable(value) {
-  var type = typeof value;
-  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
-    ? (value !== '__proto__')
-    : (value === null);
-}
-
-/**
- * Checks if `value` is likely a prototype object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
- */
-function isPrototype(value) {
-  var Ctor = value && value.constructor,
-      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
-
-  return value === proto;
-}
-
-/**
- * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` if suitable for strict
- *  equality comparisons, else `false`.
- */
-function isStrictComparable(value) {
-  return value === value && !isObject(value);
-}
-
-/**
- * A specialized version of `matchesProperty` for source values suitable
- * for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new spec function.
- */
-function matchesStrictComparable(key, srcValue) {
-  return function(object) {
-    if (object == null) {
-      return false;
-    }
-    return object[key] === srcValue &&
-      (srcValue !== undefined || (key in Object(object)));
-  };
-}
-
-/**
- * Converts `value` to a string key if it's not a string or symbol.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {string|symbol} Returns the key.
- */
-function toKey(value) {
-  if (typeof value == 'string' || isSymbol(value)) {
-    return value;
-  }
-  var result = (value + '');
-  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
-}
-
-/**
- * Converts `func` to its source code.
- *
- * @private
- * @param {Function} func The function to process.
- * @returns {string} Returns the source code.
- */
-function toSource(func) {
-  if (func != null) {
-    try {
-      return funcToString.call(func);
-    } catch (e) {}
-    try {
-      return (func + '');
-    } catch (e) {}
-  }
-  return '';
-}
-
-/**
- * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
- * comparison between two values to determine if they are equivalent.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- * @example
- *
- * var object = { 'user': 'fred' };
- * var other = { 'user': 'fred' };
- *
- * _.eq(object, object);
- * // => true
- *
- * _.eq(object, other);
- * // => false
- *
- * _.eq('a', 'a');
- * // => true
- *
- * _.eq('a', Object('a'));
- * // => false
- *
- * _.eq(NaN, NaN);
- * // => true
- */
-function eq(value, other) {
-  return value === other || (value !== value && other !== other);
-}
-
-/**
- * Checks if `value` is likely an `arguments` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isArguments(function() { return arguments; }());
- * // => true
- *
- * _.isArguments([1, 2, 3]);
- * // => false
- */
-function isArguments(value) {
-  // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode.
-  return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
-    (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
-}
-
-/**
- * Checks if `value` is classified as an `Array` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @type {Function}
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isArray([1, 2, 3]);
- * // => true
- *
- * _.isArray(document.body.children);
- * // => false
- *
- * _.isArray('abc');
- * // => false
- *
- * _.isArray(_.noop);
- * // => false
- */
-var isArray = Array.isArray;
-
-/**
- * Checks if `value` is array-like. A value is considered array-like if it's
- * not a function and has a `value.length` that's an integer greater than or
- * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
- * @example
- *
- * _.isArrayLike([1, 2, 3]);
- * // => true
- *
- * _.isArrayLike(document.body.children);
- * // => true
- *
- * _.isArrayLike('abc');
- * // => true
- *
- * _.isArrayLike(_.noop);
- * // => false
- */
-function isArrayLike(value) {
-  return value != null && isLength(getLength(value)) && !isFunction(value);
-}
-
-/**
- * This method is like `_.isArrayLike` except that it also checks if `value`
- * is an object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array-like object,
- *  else `false`.
- * @example
- *
- * _.isArrayLikeObject([1, 2, 3]);
- * // => true
- *
- * _.isArrayLikeObject(document.body.children);
- * // => true
- *
- * _.isArrayLikeObject('abc');
- * // => false
- *
- * _.isArrayLikeObject(_.noop);
- * // => false
- */
-function isArrayLikeObject(value) {
-  return isObjectLike(value) && isArrayLike(value);
-}
-
-/**
- * Checks if `value` is classified as a `Function` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isFunction(_);
- * // => true
- *
- * _.isFunction(/abc/);
- * // => false
- */
-function isFunction(value) {
-  // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
-  var tag = isObject(value) ? objectToString.call(value) : '';
-  return tag == funcTag || tag == genTag;
-}
-
-/**
- * Checks if `value` is a valid array-like length.
- *
- * **Note:** This function is loosely based on
- * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length,
- *  else `false`.
- * @example
- *
- * _.isLength(3);
- * // => true
- *
- * _.isLength(Number.MIN_VALUE);
- * // => false
- *
- * _.isLength(Infinity);
- * // => false
- *
- * _.isLength('3');
- * // => false
- */
-function isLength(value) {
-  return typeof value == 'number' &&
-    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
-}
-
-/**
- * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
- * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an object, else `false`.
- * @example
- *
- * _.isObject({});
- * // => true
- *
- * _.isObject([1, 2, 3]);
- * // => true
- *
- * _.isObject(_.noop);
- * // => true
- *
- * _.isObject(null);
- * // => false
- */
-function isObject(value) {
-  var type = typeof value;
-  return !!value && (type == 'object' || type == 'function');
-}
-
-/**
- * Checks if `value` is object-like. A value is object-like if it's not `null`
- * and has a `typeof` result of "object".
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
- * @example
- *
- * _.isObjectLike({});
- * // => true
- *
- * _.isObjectLike([1, 2, 3]);
- * // => true
- *
- * _.isObjectLike(_.noop);
- * // => false
- *
- * _.isObjectLike(null);
- * // => false
- */
-function isObjectLike(value) {
-  return !!value && typeof value == 'object';
-}
-
-/**
- * Checks if `value` is a native function.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a native function,
- *  else `false`.
- * @example
- *
- * _.isNative(Array.prototype.push);
- * // => true
- *
- * _.isNative(_);
- * // => false
- */
-function isNative(value) {
-  if (!isObject(value)) {
-    return false;
-  }
-  var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
-  return pattern.test(toSource(value));
-}
-
-/**
- * Checks if `value` is classified as a `String` primitive or object.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isString('abc');
- * // => true
- *
- * _.isString(1);
- * // => false
- */
-function isString(value) {
-  return typeof value == 'string' ||
-    (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);
-}
-
-/**
- * Checks if `value` is classified as a `Symbol` primitive or object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isSymbol(Symbol.iterator);
- * // => true
- *
- * _.isSymbol('abc');
- * // => false
- */
-function isSymbol(value) {
-  return typeof value == 'symbol' ||
-    (isObjectLike(value) && objectToString.call(value) == symbolTag);
-}
-
-/**
- * Checks if `value` is classified as a typed array.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isTypedArray(new Uint8Array);
- * // => true
- *
- * _.isTypedArray([]);
- * // => false
- */
-function isTypedArray(value) {
-  return isObjectLike(value) &&
-    isLength(value.length) && !!typedArrayTags[objectToString.call(value)];
-}
-
-/**
- * Gets the value at `path` of `object`. If the resolved value is
- * `undefined`, the `defaultValue` is used in its place.
- *
- * @static
- * @memberOf _
- * @since 3.7.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @param {*} [defaultValue] The value returned for `undefined` resolved values.
- * @returns {*} Returns the resolved value.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }] };
- *
- * _.get(object, 'a[0].b.c');
- * // => 3
- *
- * _.get(object, ['a', '0', 'b', 'c']);
- * // => 3
- *
- * _.get(object, 'a.b.c', 'default');
- * // => 'default'
- */
-function get(object, path, defaultValue) {
-  var result = object == null ? undefined : baseGet(object, path);
-  return result === undefined ? defaultValue : result;
-}
-
-/**
- * Checks if `path` is a direct or inherited property of `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- * @example
- *
- * var object = _.create({ 'a': _.create({ 'b': 2 }) });
- *
- * _.hasIn(object, 'a');
- * // => true
- *
- * _.hasIn(object, 'a.b');
- * // => true
- *
- * _.hasIn(object, ['a', 'b']);
- * // => true
- *
- * _.hasIn(object, 'b');
- * // => false
- */
-function hasIn(object, path) {
-  return object != null && hasPath(object, path, baseHasIn);
-}
-
-/**
- * Creates an array of the own enumerable property names of `object`.
- *
- * **Note:** Non-object values are coerced to objects. See the
- * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
- * for more details.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- * @example
- *
- * function Foo() {
- *   this.a = 1;
- *   this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.keys(new Foo);
- * // => ['a', 'b'] (iteration order is not guaranteed)
- *
- * _.keys('hi');
- * // => ['0', '1']
- */
-function keys(object) {
-  var isProto = isPrototype(object);
-  if (!(isProto || isArrayLike(object))) {
-    return baseKeys(object);
-  }
-  var indexes = indexKeys(object),
-      skipIndexes = !!indexes,
-      result = indexes || [],
-      length = result.length;
-
-  for (var key in object) {
-    if (baseHas(object, key) &&
-        !(skipIndexes && (key == 'length' || isIndex(key, length))) &&
-        !(isProto && key == 'constructor')) {
-      result.push(key);
-    }
-  }
-  return result;
-}
-
-/**
- * Creates an array of own enumerable string keyed-value pairs for `object`
- * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
- * entries are returned.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @alias entries
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the key-value pairs.
- * @example
- *
- * function Foo() {
- *   this.a = 1;
- *   this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.toPairs(new Foo);
- * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
- */
-var toPairs = createToPairs(keys);
-
-/**
- * This method returns the first argument given to it.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Util
- * @param {*} value Any value.
- * @returns {*} Returns `value`.
- * @example
- *
- * var object = { 'user': 'fred' };
- *
- * _.identity(object) === object;
- * // => true
- */
-function identity(value) {
-  return value;
-}
-
-/**
- * Creates a function that returns the value at `path` of a given object.
- *
- * @static
- * @memberOf _
- * @since 2.4.0
- * @category Util
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new accessor function.
- * @example
- *
- * var objects = [
- *   { 'a': { 'b': 2 } },
- *   { 'a': { 'b': 1 } }
- * ];
- *
- * _.map(objects, _.property('a.b'));
- * // => [2, 1]
- *
- * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
- * // => [1, 2]
- */
-function property(path) {
-  return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
-}
-
-module.exports = baseIteratee;
diff --git a/lodash._baseiteratee/package.json b/lodash._baseiteratee/package.json
deleted file mode 100644
index ae628c0a4..000000000
--- a/lodash._baseiteratee/package.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "name": "lodash._baseiteratee",
-  "version": "4.7.0",
-  "description": "The internal lodash function `baseIteratee` exported as a module.",
-  "homepage": "https://lodash.com/",
-  "icon": "https://lodash.com/icon.svg",
-  "license": "MIT",
-  "author": "John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
-  "contributors": [
-    "John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
-    "Blaine Bublitz <blaine.bublitz@gmail.com> (https://github.com/phated)",
-    "Mathias Bynens <mathias@qiwi.be> (https://mathiasbynens.be/)"
-  ],
-  "repository": "lodash/lodash",
-  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
-  "dependencies": {
-    "lodash._stringtopath": "~4.8.0"
-  }
-}
diff --git a/lodash._stringtopath/README.md b/lodash._stringtopath/README.md
index 341fd0591..f12bf6d84 100644
--- a/lodash._stringtopath/README.md
+++ b/lodash._stringtopath/README.md
@@ -1,4 +1,4 @@
-# lodash._stringtopath v4.7.0
+# lodash._stringtopath v4.7.1
 
 The internal [lodash](https://lodash.com/) function `stringToPath` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var stringToPath = require('lodash._stringtopath');
 ```
 
-See the [package source](https://github.com/lodash/lodash/blob/4.7.0-npm-packages/lodash._stringtopath) for more details.
+See the [package source](https://github.com/lodash/lodash/blob/4.7.1-npm-packages/lodash._stringtopath) for more details.
diff --git a/lodash._stringtopath/index.js b/lodash._stringtopath/index.js
index e1dba0722..4679af688 100644
--- a/lodash._stringtopath/index.js
+++ b/lodash._stringtopath/index.js
@@ -1,5 +1,5 @@
 /**
- * lodash 4.7.0 (Custom Build) <https://lodash.com/>
+ * lodash 4.7.1 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
  * Copyright jQuery Foundation and other contributors <https://jquery.org/>
  * Released under MIT license <https://lodash.com/license>
@@ -24,7 +24,10 @@ var funcTag = '[object Function]',
 /** Used to match property names within property paths. */
 var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g;
 
-/** Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns). */
+/**
+ * Used to match `RegExp`
+ * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
+ */
 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
 
 /** Used to match backslashes in property paths. */
@@ -112,7 +115,8 @@ var funcToString = Function.prototype.toString;
 var hasOwnProperty = objectProto.hasOwnProperty;
 
 /**
- * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -136,7 +140,7 @@ var symbolProto = Symbol ? Symbol.prototype : undefined,
     symbolToString = symbolProto ? symbolProto.toString : undefined;
 
 /**
- * Creates an hash object.
+ * Creates a hash object.
  *
  * @private
  * @constructor
@@ -435,9 +439,28 @@ var stringToPath = memoize(function(string) {
   return result;
 });
 
+/**
+ * Converts `func` to its source code.
+ *
+ * @private
+ * @param {Function} func The function to process.
+ * @returns {string} Returns the source code.
+ */
+function toSource(func) {
+  if (func != null) {
+    try {
+      return funcToString.call(func);
+    } catch (e) {}
+    try {
+      return (func + '');
+    } catch (e) {}
+  }
+  return '';
+}
+
 /**
  * Creates a function that memoizes the result of `func`. If `resolver` is
- * provided it determines the cache key for storing the result based on the
+ * provided, it determines the cache key for storing the result based on the
  * arguments provided to the memoized function. By default, the first argument
  * provided to the memoized function is used as the map cache key. The `func`
  * is invoked with the `this` binding of the memoized function.
@@ -565,8 +588,9 @@ function isFunction(value) {
 }
 
 /**
- * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
- * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ * Checks if `value` is the
+ * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
  * @memberOf _
@@ -640,14 +664,11 @@ function isObjectLike(value) {
  * // => false
  */
 function isNative(value) {
-  if (value == null) {
+  if (!isObject(value)) {
     return false;
   }
-  if (isFunction(value)) {
-    return reIsNative.test(funcToString.call(value));
-  }
-  return isObjectLike(value) &&
-    (isHostObject(value) ? reIsNative : reIsHostCtor).test(value);
+  var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
+  return pattern.test(toSource(value));
 }
 
 /**
@@ -674,8 +695,8 @@ function isSymbol(value) {
 }
 
 /**
- * Converts `value` to a string if it's not one. An empty string is returned
- * for `null` and `undefined` values. The sign of `-0` is preserved.
+ * Converts `value` to a string. An empty string is returned for `null`
+ * and `undefined` values. The sign of `-0` is preserved.
  *
  * @static
  * @memberOf _
diff --git a/lodash._stringtopath/package.json b/lodash._stringtopath/package.json
index 9cac7e4a7..5512080ee 100644
--- a/lodash._stringtopath/package.json
+++ b/lodash._stringtopath/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash._stringtopath",
-  "version": "4.7.0",
+  "version": "4.7.1",
   "description": "The internal lodash function `stringToPath` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.differenceby/README.md b/lodash.differenceby/README.md
index 7a6330ec8..e888b4d46 100644
--- a/lodash.differenceby/README.md
+++ b/lodash.differenceby/README.md
@@ -1,4 +1,4 @@
-# lodash.differenceby v4.7.0
+# lodash.differenceby v4.7.1
 
 The [lodash](https://lodash.com/) method `_.differenceBy` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var differenceBy = require('lodash.differenceby');
 ```
 
-See the [documentation](https://lodash.com/docs#differenceBy) or [package source](https://github.com/lodash/lodash/blob/4.7.0-npm-packages/lodash.differenceby) for more details.
+See the [documentation](https://lodash.com/docs#differenceBy) or [package source](https://github.com/lodash/lodash/blob/4.7.1-npm-packages/lodash.differenceby) for more details.
diff --git a/lodash.differenceby/index.js b/lodash.differenceby/index.js
index bbcf605b1..b1798ea75 100644
--- a/lodash.differenceby/index.js
+++ b/lodash.differenceby/index.js
@@ -57,7 +57,8 @@ var arrayBufferTag = '[object ArrayBuffer]',
 /** Used to match property names within property paths. */
 var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
     reIsPlainProp = /^\w*$/,
-    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(\.|\[\])(?:\4|$))/g;
+    reLeadingDot = /^\./,
+    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
 
 /**
  * Used to match `RegExp`
@@ -100,10 +101,10 @@ var freeSelf = typeof self == 'object' && self && self.Object === Object && self
 var root = freeGlobal || freeSelf || Function('return this')();
 
 /** Detect free variable `exports`. */
-var freeExports = freeGlobal && typeof exports == 'object' && exports;
+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
 
 /** Detect free variable `module`. */
-var freeModule = freeExports && typeof module == 'object' && module;
+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
 
 /** Detect the popular CommonJS extension `module.exports`. */
 var moduleExports = freeModule && freeModule.exports === freeExports;
@@ -1489,6 +1490,7 @@ function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
     }
   }
   stack['delete'](array);
+  stack['delete'](other);
   return result;
 }
 
@@ -1649,6 +1651,7 @@ function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
     }
   }
   stack['delete'](object);
+  stack['delete'](other);
   return result;
 }
 
@@ -1813,7 +1816,7 @@ function indexKeys(object) {
  */
 function isFlattenable(value) {
   return isArray(value) || isArguments(value) ||
-    !!(spreadableSymbol && value && value[spreadableSymbol])
+    !!(spreadableSymbol && value && value[spreadableSymbol]);
 }
 
 /**
@@ -1930,8 +1933,13 @@ function matchesStrictComparable(key, srcValue) {
  * @returns {Array} Returns the property path array.
  */
 var stringToPath = memoize(function(string) {
+  string = toString(string);
+
   var result = [];
-  toString(string).replace(rePropName, function(match, number, quote, string) {
+  if (reLeadingDot.test(string)) {
+    result.push('');
+  }
+  string.replace(rePropName, function(match, number, quote, string) {
     result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
   });
   return result;
diff --git a/lodash.differenceby/package.json b/lodash.differenceby/package.json
index a15e3fc32..50c248aa1 100644
--- a/lodash.differenceby/package.json
+++ b/lodash.differenceby/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.differenceby",
-  "version": "4.7.0",
+  "version": "4.7.1",
   "description": "The lodash method `_.differenceBy` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.unionby/README.md b/lodash.unionby/README.md
index aa002855a..dbc53cc9a 100644
--- a/lodash.unionby/README.md
+++ b/lodash.unionby/README.md
@@ -1,4 +1,4 @@
-# lodash.unionby v4.7.0
+# lodash.unionby v4.7.1
 
 The [lodash](https://lodash.com/) method `_.unionBy` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var unionBy = require('lodash.unionby');
 ```
 
-See the [documentation](https://lodash.com/docs#unionBy) or [package source](https://github.com/lodash/lodash/blob/4.7.0-npm-packages/lodash.unionby) for more details.
+See the [documentation](https://lodash.com/docs#unionBy) or [package source](https://github.com/lodash/lodash/blob/4.7.1-npm-packages/lodash.unionby) for more details.
diff --git a/lodash.unionby/index.js b/lodash.unionby/index.js
index 24b31027b..9e9193f3d 100644
--- a/lodash.unionby/index.js
+++ b/lodash.unionby/index.js
@@ -57,7 +57,8 @@ var arrayBufferTag = '[object ArrayBuffer]',
 /** Used to match property names within property paths. */
 var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
     reIsPlainProp = /^\w*$/,
-    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(\.|\[\])(?:\4|$))/g;
+    reLeadingDot = /^\./,
+    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
 
 /**
  * Used to match `RegExp`
@@ -100,10 +101,10 @@ var freeSelf = typeof self == 'object' && self && self.Object === Object && self
 var root = freeGlobal || freeSelf || Function('return this')();
 
 /** Detect free variable `exports`. */
-var freeExports = freeGlobal && typeof exports == 'object' && exports;
+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
 
 /** Detect free variable `module`. */
-var freeModule = freeExports && typeof module == 'object' && module;
+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
 
 /** Detect the popular CommonJS extension `module.exports`. */
 var moduleExports = freeModule && freeModule.exports === freeExports;
@@ -1485,6 +1486,7 @@ function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
     }
   }
   stack['delete'](array);
+  stack['delete'](other);
   return result;
 }
 
@@ -1645,6 +1647,7 @@ function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
     }
   }
   stack['delete'](object);
+  stack['delete'](other);
   return result;
 }
 
@@ -1809,7 +1812,7 @@ function indexKeys(object) {
  */
 function isFlattenable(value) {
   return isArray(value) || isArguments(value) ||
-    !!(spreadableSymbol && value && value[spreadableSymbol])
+    !!(spreadableSymbol && value && value[spreadableSymbol]);
 }
 
 /**
@@ -1926,8 +1929,13 @@ function matchesStrictComparable(key, srcValue) {
  * @returns {Array} Returns the property path array.
  */
 var stringToPath = memoize(function(string) {
+  string = toString(string);
+
   var result = [];
-  toString(string).replace(rePropName, function(match, number, quote, string) {
+  if (reLeadingDot.test(string)) {
+    result.push('');
+  }
+  string.replace(rePropName, function(match, number, quote, string) {
     result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
   });
   return result;
diff --git a/lodash.unionby/package.json b/lodash.unionby/package.json
index fb1e1cf9f..00797d7a5 100644
--- a/lodash.unionby/package.json
+++ b/lodash.unionby/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.unionby",
-  "version": "4.7.0",
+  "version": "4.7.1",
   "description": "The lodash method `_.unionBy` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",