Added quaternion functionality to Python SO3 api
Added quaternion functionality to Python SO3 api

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