By Philip Pullella VATICAN CITY (Reuters) -Pope Francis on Sunday made an impassioned call for humanitarian corridors to help refugees leave Ukraine and said those who make war should not be deluded into thinking that God is on their side. As some in his audience in St. Peter’s Square held large Ukrainian flags, Francis said his “heart is broken” and invited people to take part in an international day of prayer and fasting for peace which he has called for Ash Wednesday, March 2. “Those who make war forget humanity. It does not come from the people,” he said from the window of the papal librar…