/**
* Create a new folder.
*
* @param string $folder The path of the folder to create.
* @param string $type An optional type for the folder.
*
* @return NULL
*/
public function createFolder($folder, $type = null)
{
$this->_logger->debug(sprintf('Creating folder %s.', $folder));
$result = $this->_manipulation->createFolder($folder, $type);
$this->_logger->debug(sprintf('Successfully created folder %s [type: %s].', $folder, $type));
}