Various acoustic and blockmap changes

- Changed glowstone acoustics to a mix of ice crackling and stone
- Changed pumpkin and jack-o-lantern acoustics to a mix of solid grass and mud
- Changed grass acoustics to a mix of solid grass and bush
- Changed Nether Wart foliage to produce a mix of dirt and mud
- Changed brush volume to 65
Compatibility fix with Smart Moving so that it interacts better when prone interactions are involved
Various changes in step production

- Method extracted to produce steps
- Jump uses 0.4d for y offset to work with some blocks
Upgraded version number
Added new 4-legged support
Added website address