v11.4

• Enable PyPy 3.11 GitHub CI.
• Enable Python 3.14t on GitHub CI, including a coverage issue workaround for now.
• Add a nogil test.
• Improve documentation.

v11.3

• Trace double return objects.
• Enable Python 3.13t CI with and without GIL.
• Improve tests.
• Add convenient dev and clean.dev make targets.

v11.2

• Enable Python 3.14 CI.
• Improve documentation.
• Improve yield pattern.

v11.1

• Use ProxyException instead of Exception in one place.
• Activate Pypy 3.10 and Python 3.13 on GitHub CI, with some dependency exclusions.

v11.0

• Add delayed pool parameter initialization with _set_pool.

v10.3

• Improve documentation.
• Add workaround against Flask --debug initial reload, triggered by setting
  environment variable PPP_WERKZEUG_WORKAROUND.

v10.2

• Fix blocking conditions due to improper locking from Proxy.
• Improve debugging experience.

v10.1

• Improve error message and debugging code.
• Do not forget to release semaphore token in unlucky borrowing.
• Add id counter to help identify multiple pools.
• Drop mypy check.
• Release semaphore while still under lock to reduce the hold time.

v10.0

• Improve doc and source comments.
• Add shutdown on Pool.
• Add ruff check.

v9.7

• 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.