Update webmock dependency to version 1.16.1
Update webmock dependency to version 1.16.1

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