'NOTE: Also prepares request for next "page"'

def __check_completeness(self, response):

    if (not response['mam_answer']['complete']):
        self._last_message = response['mam_answer']['rsm']['last']
        self._iq['mam']['rsm']['after'] = self._last_message
        if self.collect_all:
            return False
        else:
            return True
    else:
        return True
