[hacc] Allow scanning pointers that aren't in files
[various] Use hacc::manage to allow reloading shaders and stuff
[phys various] Make BodyDef and attribute of Object
[geo] Remove tumbolia
[phys] A little more logging
[core] Add peek command
[phys] Tweak phys logging
[vis] Fix orphaned pointers in draw list
[hacc] Add currently_constructing flag
[hacc] New HACCABLE macro requires no duplication!