* Allow writer to become a reader in thread ReaderWriter lock
* Remove unnecessary setuptools pin
* Switch to the modern python package build infrastructure
* Remove support for python 3.5 and earlier, including 2.7
* Add support for python 3.9 and 3.10
* Fix a conflict with django lock
* Add __version__ and __all__ attributes
* Fix a failure to parse README as utf-8
* Move from nosetest to pytest and cleanup testing infrastructure
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-fasteners?expand=0&rev=21