/**
  * @param $packages
  * @param $skin
  */
 public function __construct($packages = '', $upgrader = null)
 {
     if ($packages) {
         $this->packages_xml = $packages;
     }
     $this->parser = new HW_WXR_Parser();
     if ($upgrader) {
         $this->upgrader = $upgrader;
     }
     parent::__construct();
     //$this->load_packages(); //parse packages file
 }
 /**
  * class constructor
  * @param $base
  */
 public function __construct($base)
 {
     parent::__construct($base);
     $this->widgets = $this->createElement('widgets');
     $this->appendChild($this->widgets);
 }