Bump to v4.7.0.

words.js

@@ -55,17 +55,18 @@ define(['./toString'], function(toString) {
   ].join('|'), 'g');
 
   /** Used to detect strings that need a more robust regexp to match words. */
-  var reHasComplexWord = /[a-z][A-Z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
+  var reHasComplexWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
 
   /**
    * Splits `string` into an array of its words.
    *
    * @static
    * @memberOf _
+   * @since 3.0.0
    * @category String
    * @param {string} [string=''] The string to inspect.
    * @param {RegExp|string} [pattern] The pattern to match words.
-   * @param- {Object} [guard] Enables use as an iteratee for functions like `_.map`.
+   * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
    * @returns {Array} Returns the words of `string`.
    * @example
    *