SPRINGFIELD — Lawmakers and state officials hailed a handful of bill signings this week as a victory for criminal justice reform.Republican Gov. Bruce Rauner, who has pledged dramatic decreases in the prison population, signed a handful of bills Monday focused on rehabilitating offenders and giving them brighter job prospects.But it’s possible a yearlong budget impasse sapped some of the momentum on criminal justice changes, as bipartisan bills remain on the table and interest groups said it was less about …