pops and returns all notices
        http://initd.org/psycopg/docs/connection.html#connection.notices

def notices(self):
        """pops and returns all notices
        http://initd.org/psycopg/docs/connection.html#connection.notices
        """
        return [self._db.notices.pop()[8:].strip() for x in range(len(self._db.notices))]