Bump to v4.7.0.

words.js

@@ -52,17 +52,18 @@ var reComplexWord = RegExp([
 ].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
  *