2021/01/01 - 2.0.2:
- add command 'chkworkdir': Check work directory integrity and fix it
- import: Fix: Load the labels before importing documents

2020/11/15 - 2.0.1:
- cmd.import: When many importers match, make it clearer to the user that an
  input is required.
- Include tests in Pypi package (thanks to Elliott Sales de Andrade)

2020/10/17 - 2.0:
- Initial release
