* Issue 314: Disabled support for ``setup_requires`` metadata to avoid issue where Setuptools was unable to upgrade over earlier versions.
8.4
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* BB Pull Request 106: Now write ``setup_requires`` metadata.
8.3
Not secure
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* Issue 311: Decoupled pkg_resources from setuptools once again. ``pkg_resources`` is now a package instead of a module.
8.2.1
Not secure
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* Issue 306: Suppress warnings about Version format except in select scenarios (such as installation).
8.2
Not secure
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* BB Pull Request 85: Search egg-base when adding egg-info to manifest.
8.1
Not secure
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* Upgrade ``packaging`` to 14.5, giving preference to "rc" as designator for release candidates over "c". * PEP-440 warnings are now raised as their own class, ``pkg_resources.PEP440Warning``, instead of RuntimeWarning. * Disabled warnings on empty versions.