Cherrypy

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* :issue:`1708`: Removed components from webtest that were
removed in the refactoring of cheroot.test.webtest for
cheroot 6.1.0.

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* :issue:`1680` via :pr:`1683`: Basic Auth and Digest Auth
tools now support :rfc:`7617` UTF-8 charset decoding where
possible, using latin-1 as a fallback.

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* :cr-pr:`37`: Add support for peercreds lookup over UNIX domain socket.
This enables app to automatically identify "who's on the other
end of the wire".

This is how you enable it::

server.peercreds: True
server.peercreds_resolve: True

The first option will put remote numeric data to WSGI env vars:
app's PID, user's id and group.

Second option will resolve that into user and group names.

To prevent expensive syscalls, data is cached on per connection
basis.

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* :issue:`1700`: Improve windows pywin32 dependency declaration via
conditional extras.

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* :issue:`1688`: Officially deprecated ``basic_auth`` and ``digest_auth``
tools and the ``httpauth`` module, triggering DeprecationWarnings
if they're used. Applications should instead adapt to use the
more recent ``auth_basic`` and ``auth_digest`` tools.
This deprecated functionality will be removed in a subsequent
release soon.
* Removed ``DeprecatedTool`` and the long-deprecated and disabled
``tidy`` and ``nsgmls`` tools. See `the rationale
<https://github.com/cherrypy/cherrypy/pull/1689#issuecomment-362924962>`_
for this change.

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* :issue:`1231` via :pr:`1654`: CaseInsensitiveDict now re-uses the
generalized functionality from ``jaraco.collections`` to
provide a more complete interface for a CaseInsensitiveDict
and HeaderMap.

Users are encouraged to use the implementation from
`jaraco.collections <https://pypi.org/project/jaraco.collections>`_
except when dealing with headers in CherryPy.