1. DB->bindValues() method can now accept a val array of type array ( array ( '<key>', '<value>', '<\PDO::PARAM_INT or PDO::PARAM_STR, etc.), array ( ... ) ) - if this key of the array doesnot exist use \PDO::PARAM_STR by default
2. private function DB->_checkConnection() -- changed to --> DB->checkConnection() - can be called from else where
3. DBFactory now checks for the connection before returning an older connection