- Avoid deprecation warnings by using current API.
- Add support for Python 3.7.
4.4.4
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- Add Appveyor configuration to automate building Windows eggs.
4.4.3
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- Fix the extremely rare potential for a crash when the C extensions are in use. See `issue 21 <https://github.com/zopefoundation/Acquisition/issues/21>`_.
4.4.2
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- Fix C capsule name to fix import errors.
- Ensure our dependencies match our expactations about C extensions.
4.4.1
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- Fix C code under Python 3.4, with missing Py_XSETREF.