Fix bugs in Core/Debug.cc logging policy
Fix bugs in Core/Debug.cc logging policy

jimpelton/mingle-logcabin,logcabin/logcabin,chaozh/logcabin,tempbottle/logcabin,logcabin/logcabin,nhardt/logcabin,nhardt/logcabin,gaoning777/logcabin,tempbottle/logcabin,chaozh/logcabin,tempbottle/logcabin,gaoning777/logcabin,TigerZhang/logcabin,logcabin/logcabin,jimpelton/mingle-logcabin,nhardt/logcabin,chaozh/logcabin,jimpelton/mingle-logcabin,tempbottle/logcabin,TigerZhang/logcabin,dankenigsberg/logcabin,dankenigsberg/logcabin,TigerZhang/logcabin,logcabin/logcabin,gaoning777/logcabin,TigerZhang/logcabin,dankenigsberg/logcabin,chaozh/logcabin,dankenigsberg/logcabin,nhardt/logcabin,gaoning777/logcabin