code: func (k *Kite) handleLog(r *Request) (interface{}, error) {
  	msg, err := r.Args.One().String()
  	if err != nil {
  		return nil, err
  	}
  
  	k.Log.Info("%s: %s", r.Client.Name, msg)
  
  	return nil, nil
  }
docs: // handleLog prints a log message to stderr.