adjusted regex groups live with python3, fixes #786
adjusted regex groups live with python3, fixes #786

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