SPRINGFIELD — Wednesday began with the leader of Chicago’s Catholic Archdiocese urging action while invoking the children killed in mass shootings in Newtown, Conn., and Parkland, Fla.It ended with praise from former congresswoman Gabby Giffords, the gun-safety advocate who survived a rampage seven years ago during a town hall event in her home state of Arizona.In between, lawmakers took the most significant steps to change Illinois gun laws in five years.Two measures sent to Gov. Bruce Rauner’s desk …