Make it possible for the "deregister region id" command to accept more than one id
Make it possible for the "deregister region id" command to accept more than one id

bravelittlescientist/opensim-performance,bravelittlescientist/opensim-performance,bravelittlescientist/opensim-performance,bravelittlescientist/opensim-performance,bravelittlescientist/opensim-performance,bravelittlescientist/opensim-performance