Update CHANGELOG for PR #3639
Update CHANGELOG for PR #3639

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