Hypercorn

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* Bugfix Use tomllib/tomli for .toml support replacing the
unmaintained toml library.
* Bugfix server hanging on startup failure.
* Bugfix close websocket with 1011 on internal error (1006 is a
client-only code).
* Bugfix support trio > 0.22 utilising exception groups (note trio <=
0.22 is not supported).
* Bugfix except ConnectionAbortedError which can be raised on Windows
machines.
* Bugfix ensure that closed is sent on reading end.
* Bugfix handle read_timeout exception on trio.
* Support and test against Python 3.11.
* Add explanation of PicklingErrors.
* Add config option to pass raw h11 headers.

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* Revert Preserve response headers casing for HTTP/1 as this breaks
ASGI frameworks.
* Bugfix stream WSGI responses

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* Bugfix add missing ASGI version to lifespan scope.
* Bugfix preserve the HTTP/1 request header casing through to the ASGI
app.
* Bugifx ensure the config loglevel is respected.
* Bugfix ensure new processes are spawned not forked.
* Bugfix ignore dunder vars in config objects.
* Bugfix clarify the subprotocol exception.

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* Fix Python3.7 compatibility.

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* Bugfix only recycle a HTTP/1.1 connection if client is DONE.
* Bugfix uvloop may raise a RuntimeError.
* Bugfix ensure 100ms sleep between Windows workers starting.
* Bugfix ensure lifespan shutdowns occur.
* Bugfix close idle Keep-Alive connections on graceful exit.
* Bugfix don't suppress 412 bodies.
* Bugfix don't idle close upgrade requests.
* Allow control over date header addition.
* Allow for logging configuration to be loaded from JSON or TOML
files.
* Preserve response headers casing for HTTP/1.
* Support the early hint ASGI-extension.
* Alter the process and reloading system such that it should work
correctly in all configurations.
* Directly support serving WSGI applications (and drop support for
ASGI-2, now ASGI-3 only).

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* Bugfix re-enable HTTP/3.