Fix Undo/Redo not working with Groups properly in Single Player.
Black list lit redstone-lamp take 2
Extend API, add BitAccess.queryBitRange to query contents of range, returns total, solid, air, and fluid.
Catch Culling Crashes, revert to older logic. ( hopefully will fix a crash )
If it can't find a Sprite for the mode, just use missing icon, should prevent strange crash.