xxxxx
Where "o" is a block connected to the world and "x" is a part of the blocks to move down.
It will fall down just enough to sit ontop of the "o". This should make the falling even less buggy.
Implemented chest falling: Chests now keep contents as they fall.
Most non-solid blocks and datablocks won't keep the data or won't move down: Signs, maps, paintings, doors, trapdoors, torches, ...
