public function getStatusHash()
{
$statusFields = array('description' => $this->getDescription(), 'nbFollowers' => $this->getNbFollowers(), 'nbForks' => $this->getNbForks(), 'lastCommitAt' => $this->getLastCommitAt()->getTimestamp(), 'readme' => $this->getReadme());
return md5(serialize($statusFields));
}