Update version number to 1.4.0
Update version number to 1.4.0

calleerlandsson/pick,DBOTW/pick,calleerlandsson/pick,prahlad37/pick,DBOTW/pick,thoughtbot/pick,DBOTW/pick,prahlad37/pick,thoughtbot/pick,thoughtbot/pick,calleerlandsson/pick,prahlad37/pick,prahlad37/pick,thoughtbot/pick