/**
  * Echo the widget content.
  * @since 0.1.0
  * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
  * @param array $instance The settings for the particular instance of the widget
  */
 public function widget($args, $instance)
 {
     extract($args);
     // Merge with defaults
     $instance = wp_parse_args((array) $instance, WDS_Twitter::defaults());
     echo $before_widget;
     if ($instance['title']) {
         echo $before_title . apply_filters('widget_title', $instance['title'], $instance, $this->id_base) . $after_title;
     }
     WDS_Twitter::tweets_list($instance);
     echo $after_widget;
 }