Fix compatibility issue with the latest Black version (22.1.0)

Compatibility with latest version of black (21.9b0)

Compatibility with latest black version (21.4b0)

Require latest version of black

Compatibility with latest black version (21.4b0)

Compatibility with black 20.8b0

Internal changes to make compatible with the latest version of black …

…(19.10b0).

Earlier versions of black are not supported.

Add a short option flag to clear output

Fixed some minor bugs in reporting and added more tests.

Fixed typo in author email.