code cleanup pt2

code cleanup pt1

cargo fix

fix the weirdo detaching thing that is a mystery & add deadlock detection

so heres module attachment and movement, but its a little broken and also squishy joints and also no tree on the client

deleting all attached modules implemented

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	server/src/handler.rs

put part of module logic in module.rs

Merge remote-tracking branch 'origin/master'

gravity is now affecting attached modules

idk

make pretty pt2

finish new build system

build numbers

merged because oops

code cleanup

beamin and beamout

api work

converted planets and players to entities

add planetary constants