Added functions for Group geometries
Added functions for Group geometries

stevekuznetsov/Klampt,bbgw/Klampt,krishauser/Klampt,hpbader42/Klampt,krishauser/Klampt,stevekuznetsov/Klampt,YilunZhou/Klampt,arocchi/Klampt,arocchi/Klampt,stevekuznetsov/Klampt,hpbader42/Klampt,arocchi/Klampt,bbgw/Klampt,krishauser/Klampt,krishauser/Klampt,krishauser/Klampt,krishauser/Klampt,hpbader42/Klampt,YilunZhou/Klampt,bbgw/Klampt,hpbader42/Klampt,arocchi/Klampt,YilunZhou/Klampt,stevekuznetsov/Klampt,bbgw/Klampt,hpbader42/Klampt,YilunZhou/Klampt