public void WGSignup(String channel, String sender, String login, String hostname) {        
        Game game;
        game = games.get(getServer() + " " + channel);
        
        if(game == null) {
            sendMessageWrapper(channel, sender, MSG_NOGAME);
            return;
        }
        
        if(game.addUser(new User(sender, login, hostname))) {
            sendMessageWrapper(channel, sender, MSG_SIGNUPSUCCESS);
            sendMessageWrapper(sender, null, MSG_SIGNUPINTRO);
            if(game.autosave) {
                saveGame(game);
            }
        }
        else {
            sendMessageWrapper(channel, sender, MSG_SIGNUPFAIL);
        }
    }