Disallow duplicate guest names
Disallow duplicate guest names

jasonbio/tubesynch,bush6/sync,gv1222/sync,gv1222/sync,jasonbio/tubesynch,gv1222/sync,pajlada/sync,nugget/sync,Poniverse/Equestria.tv,nugget/sync,6IRCNet/sync,pajlada/sync,jasonbio/tubesynch,Poniverse/Equestria.tv,gv1222/sync,Poniverse/Equestria.tv,6IRCNet/sync,aykl/sync,pajlada/sync,jasonbio/tubesynch,6IRCNet/sync,nugget/sync,bush6/sync,bush6/sync,pajlada/sync,aykl/sync