Adds support for reading from stdin and writing to stdout, courtesy of @AndydeCleyre.

Introduces support for python 3.12. All credit to @ericbn.

Clean up after black 24 release

Adds --version flag to executable.

Changes in this release:

• Fix detection of self argument name when positional-only.

Introduces publish of python wheels to PyPI.

Changes in this release:

• Support for python 3.11.
• Build system cleanup.

In this release:

• Correctly update local scope when walrus operator used in lambda expression
• Minor documentation improvements

• Fixes handling of CRLF line endings in microsoft windows.
• Fixes wildcard import warning hook.

Emergency release to fix ssort wiping files with just comments.