Merge remote-tracking branch 'origin/master'

attachment slots working, but still initial spin bug

attachment partially working, weird stuff though

idk

joint bug "hot"fix

make pretty pt2

input + cleanup

attachment technically works, but not really

merged because oops

Merge commit 'HEAD@{1}'

added loose modules, rendering is stupid

code cleanup

beamin and beamout

fix compilation - update schema - add api to spacetime

Merge remote-tracking branch 'origin/master'

api work

random player position

merged auth and entities, some planet stuff may be slightly broken

converted planets and players to entities

add 0x0c AuthenticateAndBeamOut to the protocol