/**
  * References parent constructor and sets defaults for class.
  *
  * @since 2.2.0
  */
 public function __construct($skin = null)
 {
     // Get TGMPA class instance
     $this->tgmpa = call_user_func(array(get_class($GLOBALS['tgmpa']), 'get_instance'));
     parent::construct($skin);
 }