Change parameter name to be more specific: filterfunc from callback.
Change parameter name to be more specific: filterfunc from callback.

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