Changes:
Added the stairs item
The build hammer can now remove essence basins
Updated the bread model and icon
Updated the build hammer model and icon
Changed the build hammer crafting recipe
Updated the chest model and icon
Fixes:
Fixed a bug causing the wrong item to be given back to the player when using the build hammer
Fixed a bug causing the furnace to lose items at random
Fixed a bug causing item quantities to not update
Fixed a bug causing dropped items to be destroyed