BUG: func all_to_list broke when input was not iterable
BUG: func all_to_list broke when input was not iterable

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