~~~~~
Released on December 7, 2017
Breaking changes:
* Drop support for Python 2.6. (330) (Thank you, Hugo, Will Kahn-Greene!)
* Remove ``utils/spider.py`` (353) (Thank you, Jon Dufresne!)
Features:
* Improve documentation. (300, 307) (Thank you, Jon Dufresne, Tom Most,
Will Kahn-Greene!)
* Add iframe seamless boolean attribute. (Thank you, Ritwik Gupta!)
* Add itemscope as a boolean attribute. (194) (Thank you, Jonathan Vanasco!)
* Support Python 3.6. (333) (Thank you, Jon Dufresne!)
* Add CI support for Windows using AppVeyor. (Thank you, John Vandenberg!)
* Improve testing and CI and add code coverage (323, 334), (Thank you, Jon
Dufresne, John Vandenberg, Sam Sneddon, Will Kahn-Greene!)
* Semver-compliant version number.
Bug fixes:
* Add support for setuptools < 18.5 to support environment markers. (Thank you,
John Vandenberg!)
* Add explicit dependency for six >= 1.9. (Thank you, Eric Amorde!)
* Fix regexes to work with Python 3.7 regex adjustments. (318, 379) (Thank
you, Benedikt Morbach, Ville Skyttä, Mark Vasilkov!)
* Fix alphabeticalattributes filter namespace bug. (324) (Thank you, Will
Kahn-Greene!)
* Include license file in generated wheel package. (350) (Thank you, Jon
Dufresne!)
* Fix annotation-xml typo. (339) (Thank you, Will Kahn-Greene!)
* Allow uppercase hex chararcters in CSS colour check. (377) (Thank you,
Komal Dembla, Hugo!)