'Get the names of all new groups created/added to the server since
the specified date - in seconds since the ecpoh, GMT - optionally
restricted to the given distributions.  gotNewGroups() is called
on success, getNewGroupsFailed() on failure.'

def fetchNewGroups(self, date, distributions):

    (date, timeStr) = time.strftime('%y%m%d    %H%M%S', time.gmtime(date)).split()
    self.sendLine(('NEWGROUPS    %s    %s    %s' % (date, timeStr, distributions)))
    self._newState(self._stateNewGroups, self.getNewGroupsFailed)
