Version 1.2.1

Added version/build number to the .saver file.

Version 1.2.0

Automatically notarizing the app so that OS X won't complain about being "unable to check it for malicious software".

Version 1.1.0

Added code signing.

Version 1.0.0

First release, basic capabilities in place. All configuration must be done via CLI as documented in README.md.