public GameBuilder addBot(String botName) { 
	    //zakladam, ze wariant gry wybrany przed tworzeniem botow
	    	if( scoresPerCategory == DEFAULT_SCORES_PER_CATEGORY)
	    	    players.add( new BotPlayer(botName, false) );
	    	else
	    	    players.add( new BotPlayer(botName, true) );
	    	
		return this;
		
	}