/**
  * Creates a new collection
  *
  * @param string $collectionName Path to the new collection.
  * @link http://exist-db.org/exist/apps/doc/devguide_xmlrpc.xml?id=D2.2.4#D2.2.4.7
  */
 public function createCollection($collectionName)
 {
     $this->client->createCollection($collectionName);
 }