-Added some procs for getting IDs and getting access. Helps clean it up so we don't have "istype(A, IDCARD) OR istype(A, PDA)" everywhere.
-Made wallets equip able in the ID slot and be able to be used as an ID.
-Added a PACMAN generator in Engineering to jump start the Singularity if they run out of power.
git-svn-id: http://tgstation13.googlecode.com/svn/trunk@5450 316c924e-a436-60f5-8080-3fe189b3f50e