fix bug where sim init didn't set loaded compositions recorded var to true
fix bug where sim init didn't set loaded compositions recorded var to true

mbmcgarry/cyclus,hodger/cyclus,gidden/cyclus,hodger/cyclus,mbmcgarry/cyclus,gidden/cyclus,rwcarlsen/cyclus,gidden/cyclus,Baaaaam/cyclus,hodger/cyclus,Baaaaam/cyclus,Baaaaam/cyclus,hodger/cyclus,mbmcgarry/cyclus,hodger/cyclus,gidden/cyclus,rwcarlsen/cyclus,mbmcgarry/cyclus,rwcarlsen/cyclus,rwcarlsen/cyclus