/**
  * GetNlList
  * 
  * KNOWN RESTRICTION
  * Characters & and " are not escaped in returned response, so please avoid these 
  * characters in names of lists and groups otherwise you will experience some problems due to an invalid returned XML
  * 
  * @todo    parse the XML response correctly and return something nice.
  * @return  string
  */
 public function GetNlList()
 {
     if (!is_object($this->soapClient)) {
         return false;
     }
     try {
         $this->soapClient->GetNlLists();
         $this->printLastRequest();
         $this->printLastResponse();
         $result = $this->soapClient->__getLastResponse();
         if ($this->_config()->isLogEnabled($this->storeId)) {
             $this->_config()->log($result, 0);
         }
         return $result;
     } catch (SoapFault $soapFault) {
         Mage::log('SOAP error', 0);
         Mage::log($soapFault, 0);
     }
 }