Improve doc and source comments.
Add shutdown on Pool.
Add ruff check.
Fix detection of the debugging level status.
Add _has_obj method to test if an error occured on get.
Add more configuration data to stats.
Add more guarded debugging traces.
Pass pyright and enable it in CI.
Add and use ruff instead of flake8.
Collect and show more statistics.
Improve stats output for semaphore.
Improve collected stats. Clean-up code, reducing loc significantly.
Rework internals to minimize lock time. Show timestamp in ISO format.
Do not generate "None" but None on undefined semaphore stats.
Add delay parameter for forcing house keeping round delays.
Add health check hook.
Rework and improve statistics.
Improve documentation.
Drop close and max_delay upward compatibility parameters.
Add running time to stats.
Add stats parameter and stats method to Pool.
Add more stats. Improve housekeeping resilience.
Improved debugging information.
Show more pool data.
Improve overall resilience in case of various errors.
Improve Pool documentation.
Add opener, getter, retter and closer pool hooks.
Fix log_level handling.
Add tracer parameter to help debugging on pool objects.
Add log_level parameter.
Add pyright (non yet working) check.
On second thought, allow both warning and killing long running objects.
Kill long running objects instead of just warning about them.
Add Python 3.12 tests.
Add support for more local scopes: WERKZEUG, EVENTLET, GEVENT.
Use pyproject.toml only.
Require Python 3.10 for simpler code.
Add max_using_delay for warnings.
Add with support to both Pool and Proxy classes.
Add module-specific exceptions: PoolException, ProxyException.
Wait for available objects when max_size is reached.
Add min_size parameter to Proxy.
Ensure that pool always hold min_size objects.
Add min size and max delay feature to Pool.
Minor fixes for mypy.
Test with Python 3.12.
Improved documentation.
Add some documentation.
Initial release with code extracted from FlaskSimpleAuth.