eliminated reset_group, not needed only called in that one place, and small enough to just inline.
eliminated reset_group, not needed only called in that one place, and small enough to just inline.

matthewphilyaw/lunchtime-katas,matthewphilyaw/lunchtime-katas,matthewphilyaw/lunchtime-katas,matthewphilyaw/lunchtime-katas