New features and rebuilt findBy for Summoner.
* Converted Summoner::$revisionDate to DateTime upon instantiation:
** Added Plugin concept with DateTime.php class to convert epoch MS.
* Added BasePlugin class.
* Added Cache class with crc32 basic hashing for ids / names in cache filename:
** Wildcard function added to help searching.
* Rewrote cacheing for Summoner API calls.
* Added __get magic method to Lolphp\Configuration class to pull from Zend2 Config.
* Added API Method APPEND/PREPEND concept as constants. Some API calls have the method before the request param for search criteria and vice-versa.