Update safe_yaml dependency to version 0.9.3
Update safe_yaml dependency to version 0.9.3

jasnow/follow-all,codeforamerica/follow-all,BryanH/follow-all,codeforamerica/follow-all,codeforamerica/follow-all,jasnow/follow-all,BryanH/follow-all,BryanH/follow-all,jasnow/follow-all