CNN  —  One of Pope Francis’ lasting reforms will be his reshaping of the papacy to embrace simplicity and humility, as seen in his decisions to live in a Vatican guesthouse and carry his own briefcase onto the papal plane. With the release of a new autobiography Tuesday, titled “Hope,” Francis underlines this shift with a remarkable openness about his past mistakes and wrongdoings. They include as a young man getting into a fight with a fellow student who “even lost his senses” after hitting