Update setuptools to 42.0.2

[pyup-bot]

This PR updates setuptools from 42.0.0 to 42.0.2.

Changelog

42.0.2

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* 1921: Fix support for easy_install's ``find-links`` option in ``setup.cfg``.
* 1922: Build dependencies (setup_requires and tests_require) now install transitive dependencies indicated by extras.

42.0.1

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* 1918: Fix regression in handling wheels compatibility tags.

Links

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

[coveralls]

Coverage remained the same at 86.879% when pulling 4c3249e on pyup-update-setuptools-42.0.0-to-42.0.2 into 9168f81 on master.