fixes to crashing.

Fixed stepup height.

fixes to stacking items.

Fixed to combinging items.

Made it so items have a delay when spawned before they can be used to prevent crashing.

Fixed item physics on axe. Better axe model. fixed hitting zombies so axe no longer overlaps attack collisions.

update

Fixes to crashing when placing or crafting items. made blacks fall a quarter of a block and then check if its grounded instead of a whole block. Items should have no physics when dropped from blocks and crafted. You should beable to combine items. You can now walk up blocks again.

Made it so you can step up blocks

debug