def receive_line(line)
      if @active
        cmd = parse(line)
        handle cmd
      end
    rescue HandlerMissing
      logger.info "ignoring irc command #{cmd.inspect}: no handler"
    end
def receive_line(line)
      if @active
        cmd = parse(line)
        handle cmd
      end
    rescue HandlerMissing
      logger.info "ignoring irc command #{cmd.inspect}: no handler"
    end
Handler for when a client sends an IRC command