Added support for improved message group filters
Added support for improved message group filters

Morik/WCF,WoltLab/WCF,Cyperghost/WCF,Cyperghost/WCF,WoltLab/WCF,Cyperghost/WCF,Morik/WCF,SoftCreatR/WCF,joshuaruesweg/WCF,Morik/WCF,joshuaruesweg/WCF,Cyperghost/WCF,joshuaruesweg/WCF,SoftCreatR/WCF,MenesesEvandro/WCF,WoltLab/WCF,WoltLab/WCF,Morik/WCF,Cyperghost/WCF,MenesesEvandro/WCF,SoftCreatR/WCF,SoftCreatR/WCF