Modified / Added some things

-Ban now only takes one player maximum to ensure no accidental
multi-bans. (Type "ONEPLAYER" in command)
-Added player:HasUserGroup(id) check.
-Added afkkickignore flag in the AFK plugin.
-Added comma abilities when parsing commands. ie !slap Hobo,Prefan
-Changed how ghosting works.
-Changed how player coloring works.
Added auto cleaning of DCd players and more.

[For Players]
-Spacebar can be used to stop spectating a player.
-Added a variable that turns on automatic cleaning of disconnected
players props.
-Added rankid command.

[For Devs]
-Added STEAMID to command parsing types.