0.2.1
-----
- Fixed wrong handling of root (`/`) subvolume in various sub-commands
- Adjusted publish workflow to also create GitHub release and Git tag


0.2.0
-----
- Introduced `--tag` option to various sub-commands to "tag" snapshots
  of the same subvolume for different backup destinations
- Added support for working with remote systems via `--remote-command`
  option
- Fixed `--help` & `--version` options to no longer report errors


0.1.0
-----
- Initial release