A flag of the city of Chicago draped the casket of former mayor Jane Byrne as family, friends and other well-wishers gathered for the funeral of the city’s first and only female mayor today. Mayor Rahm Emanuel paid tribute to Byrne at St. Vincent de Paul church on the city’s North Side. Emanuel spoke a few feet from Byrne’s casket. He told those gathered that “every Chicagoan gives thanks to Jane Byrne.” And he added, “We are a better city because of her.” Byrne was a …