public function retrieve($id, $params = null)
 {
     list($url, $params) = $this->extractPathAndUpdateParams($params);
     $requestor = new Divido_ApiRequestor($this->_apiKey);
     $id = Divido_ApiRequestor::utf8($id);
     $extn = urlencode($id);
     list($response, $apiKey) = $requestor->request('get', "{$url}/{$extn}", $params);
     return Divido_Util::convertToDividoObject($response, $apiKey);
 }
 protected function _scopedDelete($class, $params = null)
 {
     self::_validateCall('delete');
     $requestor = new Divido_ApiRequestor($this->_apiKey);
     $url = $this->instanceUrl();
     list($response, $apiKey) = $requestor->request('delete', $url, $params);
     $this->refreshFrom($response, $apiKey);
     return $this;
 }