Small sc2reader.read bug fix and some cosmetic changes
Small sc2reader.read bug fix and some cosmetic changes

dsjoerg/sc2reader,GraylinKim/sc2reader,StoicLoofah/sc2reader,StoicLoofah/sc2reader,ggtracker/sc2reader,vlaufer/sc2reader,vlaufer/sc2reader,dsjoerg/sc2reader,ggtracker/sc2reader,GraylinKim/sc2reader