BUG: fixed bug in x-ray plotting
BUG: fixed bug in x-ray plotting

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