/**
  * @param string $id
  * @return \FlickrDownloadr\Photoset\Photoset
  */
 public function findOne($id)
 {
     $params = ['photoset_id' => $id];
     $response = $this->flickrApi->call('flickr.photosets.getInfo', $params);
     $data = $response['photoset'];
     return new Photoset($data);
 }
 /**
  * @param type $pageNumber
  * @param array $params
  * @return array API response with all metadata
  */
 private function getPage($pageNumber, array $params)
 {
     $params['page'] = $pageNumber;
     $response = $this->flickrApi->call('flickr.photosets.getPhotos', $params);
     return $response;
 }