public function fetchData()
{
$rss = new Rss();
$this->_feed = $rss->feed($this->_url, 'xml');
return $this->_feed != null;
}
/**
* @return Collection
*/
public static function latestReleased()
{
$rss = new Rss();
$feed = $rss->feed(static::$_apiUrl . '/feeds/releases.rss');
return $feed->articles();
}