Bump to v4.7.0.

lowerCase.js

@@ -5,12 +5,13 @@ define(['./_createCompounder'], function(createCompounder) {
    *
    * @static
    * @memberOf _
+   * @since 4.0.0
    * @category String
    * @param {string} [string=''] The string to convert.
    * @returns {string} Returns the lower cased string.
    * @example
    *
-   * _.lowerCase('--Foo-Bar');
+   * _.lowerCase('--Foo-Bar--');
    * // => 'foo bar'
    *
    * _.lowerCase('fooBar');