BUG: add prior contribution to WAIC score in case where 0 iterations have been run
BUG: add prior contribution to WAIC score in case where 0 iterations have been run

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