enh: dont overwrite parent sim
enh: covariate defaults to average
bug: covariate defaults to average
bug: covariate defaults to average for inflation
enh: add save posteriors
enh: clean up and refactor save
enh: can have <= 1000 draws
bug: save in correct dir
first commit of running country dmco
bug: import error
bug: add variables for 1 country test to pass
enh: for all countries and sexes
bug: fix compare plots to accept consistent changes
bug: subtracting the mean in cov replaced