code: func (c *pubsubClient) Subscribe(topic string, otherTopics ...string) (err Error) {
  	args := appendAndConvert(topic, otherTopics...)
  	//	var ok bool
  	_, err = c.conn.ServiceRequest(&SUBSCRIBE, args)
  	//	if err == nil {
  	//		err = NewError(REDIS_ERR, "Subscribe() NOT IMPLEMENTED")
  	//	}
  	return
  }
docs: // REVU - why not async semantics?