tree added to client, multiple attachment bug also patched

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'

initial rotation bug fixed. i hate math.

gravity is now affecting attached modules

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

bug fix attempts?

make pretty pt2

input + cleanup

attachment technically works, but not really

Merge remote-tracking branch 'origin/master'

added lifespans to modules

merged because oops

Merge commit 'HEAD@{1}'

added loose modules, rendering is stupid