fixed iteration-erase bug in ApplyThreshold
fixed iteration-erase bug in ApplyThreshold

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