Update CHANGELOG for PR #3817
Update CHANGELOG for PR #3817

dipinhora/ponyc,sgebbie/ponyc,sgebbie/ponyc,sgebbie/ponyc,jemc/ponyc,ponylang/ponyc,jemc/ponyc,sgebbie/ponyc,ponylang/ponyc,ponylang/ponyc,dipinhora/ponyc,sgebbie/ponyc,dipinhora/ponyc,jemc/ponyc