/**
  * Construct our class
  */
 function __construct()
 {
     $this->region = Config::get('laravel-rackspace-cdn::region');
     $this->urlType = Config::get('laravel-rackspace-cdn::urlType');
     $authUrl = $this->region == 'LON' ? 'https://lon.identity.api.rackspacecloud.com/v2.0/' : 'https://identity.api.rackspacecloud.com/v2.0/';
     parent::__construct($authUrl, array('username' => Config::get('laravel-rackspace-cdn::username'), 'apiKey' => Config::get('laravel-rackspace-cdn::apiKey')));
 }