Update crack to version 0.4.2
Update crack to version 0.4.2

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