I rebuilt some parts of the Chamber to make it a bit more forgiving and easier to play through.

- Added a shortcut to the "Hell" cube to avoid going through the room again if it gets destroyed.
- Added a button to make the final code stay in place : you don't have to memorise it anymore!
- Added a moving panel in front of the last laser-catcher to guide the player into doing the finale cube code first.
- Moved a laser in the "Heaven" room to prevent a bypass.