Update CHANGELOG.md for 0.2.0

Update version and changelog for 0.1.1

Update CHANGELOG.md for 0.1.0

Produce an artifactbundle when making releases (#67)

* Add 'make artifactbundle version=0.0.0' command

* Update CI to use Xcode 13.4.1 (was 13.4)

* Add a Release workflow for uploading the artifactbundle

* Print the checksum of the uploaded artifactbundle

Update CHANGELOG.md for 0.0.4

Add Make