Update wheel to 0.33.2

[pyup-bot]

This PR updates wheel from 0.32.2 to 0.33.2.

Changelog

0.33.2

- Fixed empty directories missing from the wheel (PR by Jason R. Coombs)

0.33.1

- Fixed the ``--build-number`` option for ``wheel pack`` not being applied

0.33.0

- Added the ``--build-number`` option to the ``wheel pack`` command
- Fixed bad shebangs sneaking into wheels
- Fixed documentation issue with ``wheel pack`` erroneously being called
``wheel repack``
- Fixed filenames with "bad" characters (like commas) not being quoted in
``RECORD`` (PR by Paul Moore)
- Sort requirements extras to ensure deterministic builds
(PR by PoncinMatthieu)
- Forced ``inplace = False`` when building a C extension for the wheel

0.32.3

- Fixed compatibility with Python 2.7.0 – 2.7.3
- Fixed handling of direct URL requirements with markers (PR by Benoit Pierre)

Links

• PyPI: https://pypi.org/project/wheel
• Changelog: https://pyup.io/changelogs/wheel/
• Repo: https://github.com/pypa/wheel

[pyup-bot]

Closing this in favor of #61