/**
* Adds the start and limit parameters to each request.
*
* {@inheritDoc}
*/
protected function createUrl($path, array $params = array())
{
$params = array_merge(array('startAt' => $this->start, 'maxResults' => $this->limit), $params);
if ($this->fields) {
$params['fields'] = $this->fields;
}
$url = parent::createUrl($path, $params);
return $url;
}