Bump to v4.14.0.

isString.js

@@ -22,8 +22,7 @@ var objectToString = objectProto.toString;
  * @memberOf _
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
+ * @returns {boolean} Returns `true` if `value` is a string, else `false`.
  * @example
  *
  * _.isString('abc');