Issue #18216: gettext now raises an error when a .mo file has an unsupported major version number.  Patch by Aaron Hill.

Specifically, that they can be passed at the end of a build.bat invocation.

Initial patch by Shorya Raj.

- key term hyperlinks for distutils, setuptools & wheel
- distutils landing page links directly to setuptools docs
- short summary of setuptools benefits provided with link

ConnectionRefusedError exceptions wrapped by urllib.error.URLError.

This change should fix sporadic failures in test_urllib2net.

ConnectionRefusedError exceptions wrapped by urllib.error.URLError.

This change should fix sporadic failures in test_urllib2net.

Patch by Buck Golemon.

Patch by Buck Golemon.

locale-specific number formatting from a string representing a number,
without then converting it to a specific type.  Patch by Cédric Krier.

Issue #22676: Make the pickling of global objects which don't have a __module__ attribute less slow.