BUG: calculated norm in wrong place in kroupa.py
BUG: calculated norm in wrong place in kroupa.py

guillochon/MOSFiT,guillochon/MOSFiT,guillochon/MOSFiT,bmockler/MOSFiT,villrv/MOSFiT,bmockler/MOSFiT,villrv/MOSFiT,guillochon/FriendlyFit,mnicholl/MOSFiT,mnicholl/MOSFiT,mnicholl/MOSFiT