By Philip Pullella (Reuters) – Pope Francis said on Sunday his trip to Canada next week will be a “pilgrimage of penance” that he hopes can help heal the wrongs done to indigenous people by Roman Catholic priests and nuns who ran abusive residential schools. The July 24-30 trip will include at least five encounters with native people as Francis makes good on a promise to apologise on their home territory for the Church’s role in the state-sanctioned schools, which sought to erase indigenous cultures. “Unfortunately in Canada many Christians, including some members of religious orders, contribu…