Change Task#tags join_table argument from Symbol to String
Change Task#tags join_table argument from Symbol to String

webstream-io/jobsworth,evinoca/clockingit,rafaspinola/jobsworth,digitalnatives/jobsworth,digitalnatives/jobsworth,digitalnatives/jobsworth,miguelbaldi/clockingit,miguelbaldi/clockingit,digitalnatives/jobsworth,xuewenfei/jobsworth,ari/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth,arunagw/clockingit,webstream-io/jobsworth,ari/jobsworth,evinoca/clockingit,miguelbaldi/clockingit,webstream-io/jobsworth,xuewenfei/jobsworth,evinoca/clockingit,arunagw/clockingit,arunagw/clockingit,ari/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,webstream-io/jobsworth,ari/jobsworth,rafaspinola/jobsworth,evinoca/clockingit,digitalnatives/jobsworth