Fixed a bug which would put an error in console when a witch boss dies
Added 2 commands:
"/vbadmin removeNearby" and "/vbadmin removeAllBosses"
which remove bosses in a 10 block radius and all bosses respectively.
These may break respawning bosses when used while they are alive.
Added a Chance setting to commands! This is how to set it.
The "CHANCE:[0.0-1.0]" has to be the last thing in the command so it does not mess up the command.
