Eventuele methode om de Arraylisten mee te vullen.

public void test()
	{
		Artist artist = new Artist("Paul", "Rock", "null", "description");
		Event e = new Event(2015,2,13,15,0,2015,2,13,16,0,artist,"Description",7, 1);
		Stage s = new Stage("Main Stage", 1);
		
		addArtist(artist);
		addEvent(e);
		addStage(s);
		
		saveAll();
		fillAll();
		System.out.println("Saved All Data!");
	}
