public function __construct($username, $api_key)
{
parent::__construct(new Envato_Theme_Installer_Skin($this));
$this->constants();
$this->installation_feedback = array();
$this->username = $username;
$this->api_key = $api_key;
$this->api = new Envato_Protected_API($this->username, $this->api_key);
}
