public function getSentMessages($filters=array())
	{
		$entries = $this->buildQuery($filters);
		$entries->order($entries->getTableName() . '.created', 'desc');

		if (isset($filters['limit']) && $filters['limit'] != 0)
		{
			$entries->limit($filters['limit'])
				->start($filters['start']);
		}

		return $entries->rows();
	}