----
* Compatibility with Django 1.11
* Fix Threading issues in tests
* Improve comparison of entries
* Send mail to staff in case of comment moderation
* Implement spam-checkers on Pingbacks and Trackbacks
* Return the number of entries in the category_tree templatetag
* Integration via BrowserSync
https://github.com/Fantomas42/django-blog-zinnia/compare/v0.18.1...v0.19