Combined elevator into a single block
Fixed crash related to gases being cast to BlockAir
World generates much less gases
Updated a few gas configs
Added background music/ambiance to cave dimension
'Thing' now abides by difficulty
'Thing' whispers to it's soon to be victim
Gases now have ignition sound
Changed 'DavyLamp' to 'ItemDavyLamp' for clarity
Reformatted sounds.json