Update arel dependency to 2.0.7
Update arel dependency to 2.0.7

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