Update multidict to 5.0.2

[pyup-bot]

This PR updates multidict from 4.1.0 to 5.0.2.

Changelog

5.0.1

==================

Bugfixes
--------

- Provide x86 Windows wheels
`550 <https://github.com/aio-libs/multidict/issues/550>`_


----

5.0.0

==================

Features
--------

- Provide wheels for ``aarch64``, ``i686``, ``ppc64le``, ``s390x`` architectures on Linux
as well as ``x86_64``.
`500 <https://github.com/aio-libs/multidict/issues/500>`_
- Provide wheels for Python 3.9.
`534 <https://github.com/aio-libs/multidict/issues/534>`_

Removal
-------

- Drop Python 3.5 support; Python 3.6 is the minimal supported Python version.

Misc
----

- `503 <https://github.com/aio-libs/multidict/issues/503>`_


----

4.7.6

==================

Bugfixes
--------

- Fixed an issue with some versions of the ``wheel`` dist
failing because of being unable to detect the license file.
`481 <https://github.com/aio-libs/multidict/issues/481>`_


----

4.7.5

==================

Bugfixes
--------

- Fixed creating and updating of MultiDict from a sequence of pairs and keyword
arguments. Previously passing a list argument modified it inplace, and other sequences
caused an error.
`457 <https://github.com/aio-libs/multidict/issues/457>`_
- Fixed comparing with mapping: an exception raised in the
:py:func:`~object.__len__` method caused raising a SyntaxError.
`459 <https://github.com/aio-libs/multidict/issues/459>`_
- Fixed comparing with mapping: all exceptions raised in the
:py:func:`~object.__getitem__` method were silenced.
`460 <https://github.com/aio-libs/multidict/issues/460>`_


----

4.7.4

==================

Bugfixes
--------

- ``MultiDict.iter`` fix memory leak when used iterator over
:py:mod:`multidict` instance.
`452 <https://github.com/aio-libs/multidict/issues/452>`_


----

4.7.3

==================

Features
--------

- Implement ``__sizeof__`` function to correctly calculate all internal structures size.
`444 <https://github.com/aio-libs/multidict/issues/444>`_
- Expose ``getversion()`` function.
`451 <https://github.com/aio-libs/multidict/issues/451>`_


Bugfixes
--------

- Fix crashes in ``popone``/``popall`` when default is returned.
`450 <https://github.com/aio-libs/multidict/issues/450>`_


Improved Documentation
----------------------

- Corrected the documentation for ``MultiDict.extend()``
`446 <https://github.com/aio-libs/multidict/issues/446>`_


----

4.7.2

==================

Bugfixes
--------

- Fix crashing when multidict is used pyinstaller
`432 <https://github.com/aio-libs/multidict/issues/432>`_
- Fix typing for :py:meth:`CIMultiDict.copy`
`434 <https://github.com/aio-libs/multidict/issues/434>`_
- Fix memory leak in ``MultiDict.copy()``
`443 <https://github.com/aio-libs/multidict/issues/443>`_


----

4.7.1

==================

Bugfixes
--------

- :py:meth:`CIMultiDictProxy.copy` return object type
:py:class:`multidict._multidict.CIMultiDict`
`427 <https://github.com/aio-libs/multidict/issues/427>`_
- Make :py:class:`CIMultiDict` subclassable again
`416 <https://github.com/aio-libs/multidict/issues/416>`_
- Fix regression, multidict can be constructed from arbitrary iterable of pairs again.
`418 <https://github.com/aio-libs/multidict/issues/418>`_
- :py:meth:`CIMultiDict.add` may be called with keyword arguments
`421 <https://github.com/aio-libs/multidict/issues/421>`_


Improved Documentation
----------------------

- Mention ``MULTIDICT_NO_EXTENSIONS`` environment variable in docs.
`393 <https://github.com/aio-libs/multidict/issues/393>`_
- Document the fact that ``istr`` preserves the casing of argument untouched but uses internal lower-cased copy for keys comparison.
`419 <https://github.com/aio-libs/multidict/issues/419>`_


----

4.7.0

==================

Features
--------

- Replace Cython optimization with pure C
`249 <https://github.com/aio-libs/multidict/issues/249>`_
- Implement ``__length_hint__()`` for iterators
`310 <https://github.com/aio-libs/multidict/issues/310>`_
- Support the MultiDict[str] generic specialization in the runtime.
`392 <https://github.com/aio-libs/multidict/issues/392>`_
- Embed pair_list_t structure into MultiDict Python object
`395 <https://github.com/aio-libs/multidict/issues/395>`_
- Embed multidict pairs for small dictionaries to amortize the memory usage.
`396 <https://github.com/aio-libs/multidict/issues/396>`_
- Support weak references to C Extension classes.
`399 <https://github.com/aio-libs/multidict/issues/399>`_
- Add docstrings to provided classes.
`400 <https://github.com/aio-libs/multidict/issues/400>`_
- Merge ``multidict._istr`` back with ``multidict._multidict``.
`409 <https://github.com/aio-libs/multidict/issues/409>`_


Bugfixes
--------

- Explicitly call ``tp_free`` slot on deallocation.
`407 <https://github.com/aio-libs/multidict/issues/407>`_
- Return class from __class_getitem__ to simplify subclassing
`413 <https://github.com/aio-libs/multidict/issues/413>`_


----

4.6.1

====================

Bugfixes
--------

- Fix PyPI link for GitHub Issues badge.
`391 <https://github.com/aio-libs/aiohttp/issues/391>`_

4.6.0

====================

Bugfixes
--------

- Fix GC object tracking.
`314 <https://github.com/aio-libs/aiohttp/issues/314>`_
- Preserve the case of `istr` strings.
`374 <https://github.com/aio-libs/aiohttp/issues/374>`_
- Generate binary wheels for Python 3.8.

4.5.2

------------------

* Fix another memory leak introduced by 4.5.0 release
`307 <https://github.com/aio-libs/multidict/issues/307>`_

4.5.1

------------------

* Fix a memory leak introduced by 4.5.0 release
`306 <https://github.com/aio-libs/multidict/issues/306>`_

4.5.0

------------------

* Multidict views ported from Cython to C extension
`275 <https://github.com/aio-libs/multidict/issues/275>`_

4.4.2

------------------

* Restore Python 3.4 support
`289 <https://github.com/aio-libs/multidict/issues/289>`_

4.4.1

------------------

* Fix type annotations
`283 <https://github.com/aio-libs/multidict/issues/283>`_)

* Allow to install the library on systems without compilation toolset
`281 <https://github.com/aio-libs/multidict/issues/281>`_

4.4.0

------------------

* Rewrite C implementation to use C pair list.

* Fix update order when both ``arg`` and ``kwargs`` are used.

4.3.1

------------------

* Fix a typo in multidict stub file.

4.3.0

------------------

* Polish type hints, make multidict type definitions generic.

4.2.0

------------------

* Publish ``py.typed`` flag for type hinting analyzers (``mypy`` etc).

Links

• PyPI: https://pypi.org/project/multidict
• Changelog: https://pyup.io/changelogs/multidict/
• Repo: https://github.com/aio-libs/multidict

[pyup-bot]

Closing this in favor of #45