Prevent return inferencedata error + cheater/liar fix#536

toppare wants to merge 2 commits intoCamDavidsonPilon:masterCamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers:masterfrom

toppare:prevent-return_inferencedata-errortoppare/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers:prevent-return_inferencedata-errorCopy head branch name to clipboard