Intended to be v21.3.0, but jaraco accidentally released as a major bump.
* 598: Setuptools now lists itself first in the User-Agent for web requests, better following the guidelines in `RFC 7231 <https://tools.ietf.org/html/rfc7231#section-5.5.3>`_.
21.2.2
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* Minor fixes to changelog and docs.
21.2.1
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* 261: Exclude directories when resolving globs in package_data.
21.2.0
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* 539: In the easy_install get_site_dirs, honor all paths found in ``site.getsitepackages``.
21.1.0
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* 572: In build_ext, now always import ``_CONFIG_VARS`` from ``distutils`` rather than from ``sysconfig`` to allow ``distutils.sysconfig.customize_compiler`` configure the OS X compiler for ``-dynamiclib``.
21.0.0
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* Removed ez_setup.py from Setuptools sdist. The bootstrap script will be maintained in its own branch and should be generally be retrieved from its canonical location at https://bootstrap.pypa.io/ez_setup.py.