remove space from key binding name

call this faller scrambling less often.

Make weapon damage in most cases be a structure value and also expose it to lua. Needs testing/review due to conditions at time of doing this (w/ one arm, dizzy/tingling due to sodium citrate), and just number of places changed..

Allow server admins to join passworded/restricted rooms when it is really needed

Defer kicking to the time when everything is in consistent state

Allow toggling registration requirement on live server

Allow only one query per session