/**
  * Return an instance of this class.
  * 
  * @return    object    A single instance of this class.
  *
  * @since 1.2
  * @version 1.3.9
  * 
  */
 public static function get_instance()
 {
     // If the single instance hasn't been set, set it now.
     if (null == self::$instance) {
         self::$instance = new self();
     }
     return self::$instance;
 }
 /**
  * Output Admin Page
  * 
  * Render the settings page for this plugin.
  * 
  * @since 1.2
  * @version 1.3.9
  * 
  */
 public function display_plugin_admin_page()
 {
     $controller = new EGF_Admin_Controller();
     $controller->render();
 }