Add methods to check if lin/ang velocity is dirty.
Signed-off-by: Chris Sanders <zidane@outlook.com>
Don't allow setting empty itemstacks, default to null
Change how inventory.add behaves - try to add items to existing stacks first, then add to empty slots
Clear inventory for add test
Basic custom lighting system
Aynsc message handling
Added stop.
Signed-off-by: Chris Sanders <zidane@outlook.com>