Version 3.0.2
Cleanup extra newline
Merge pull request #2300 from maryokhin/master

Docs/tutorial import fixes
With httpie 0.8.0 the HTTP method has to come after the auth argument.
Merge pull request #2305 from epicserve/tutorial_4_fixes

With httpie 0.8.0 the HTTP method has to come after the auth argument.
Merge pull request #2297 from tomchristie/version-3.0.2

Version 3.0.2
Add missing date
Enforce wheel check before allowing 'setup.pu publish'
Wheel check was breaking tests. Removed it.
The pre_save method no longer works. This resolved issue #2306
Merge pull request #2307 from epicserve/tutorial_6_doc_fix

The pre_save method no longer works. This resolved issue #2306
Fixes for behavior with empty HTML fields.
Drop print statements in tests
Check for wheel install before allowing setup.py publish.
Merge pull request #2311 from tomchristie/allow-empty-text-or-boolean-html-input-if-not-required

Fixes for behavior with empty HTML fields.
Merge pull request #2312 from tomchristie/check-for-wheel-before-pypi-publish

Check for wheel install before allowing setup.py publish.
Drop 'setup.py test'. Just use 'runtests.py'.
Add pinned versions of wheels and mkdocs to our dev requirements.
Merge pull request #2314 from tomchristie/drop-setup-py-test

Drop 'setup.py test'. Just use 'runtests.py'.
YAML encoder fix for 3.0 serializers.