anchor.diff:    (:nicknames :events)
     (:export
      ;; Event classes
  +   :event
  +   :user-event
  +   :channel-event
  +   :command-event
  +   :send-event
      :ping-event
      :pong-event
      :nick-event
  
positive.code:    #:message
     
     #:respond
     #:make-event)
    ;; globals.lisp
    (:export
  
negative.code:    #:prefix
     #:arguments
     
     #:user-event
     #:username
     #:hostmask
  