- stage width, stage height and amount of next pieces is possible to edit now
- changed the text on action bar and scoreboard to be more consistent
- changed room ids to use object hashcodes instead

- fixed table leaving leftover blocks in some cases when destroyed
- fixed z piece not appearing properly if it is the first piece
- fixed back to back
- fixed score calculation
- fixed falling sand being stuck on table in some orientations
- other smaller fixes