/**
  * References parent constructor and sets defaults for class.
  *
  * @since 2.2.0
  */
 public function __construct()
 {
     $this->tgmpa = call_user_func(array(get_class($GLOBALS['tgmpa']), 'get_instance'));
     self::$mode = isset($_GET['mode']) ? sanitize_title($_GET['mode']) : false;
     add_filter('plugin_table_items', array($this, 'sort_table_items'));
     parent::__construct(array('singular' => 'plugin', 'ajax' => FALSE));
 }