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Bugs:
* Fixed a bug for ``create_ethereum_transaction``
to work with a custom gas price
* Stop sending unsolicited HTTP bodies and
Content-Type headers when not necessary
Documentation:
* Restructure documentation site layout
* Add new docs for installation, configuration, getting started,
etc (no longer use README.rst for docs)
* Added Changelog
* Switch to readthedocs theme
Packaging:
* Added ``typing`` as a dependency for python < 3.5
to fix distribution for python 3.4
* Become compliant with `PEP 561 <https://www.python.org/dev/peps/pep-0561/>`_ typing distribution
Development:
* Added and started enforcing stricter typing
* Added a full suite of integration tests
* Added code owners which are required for PR review
* Added issue and PR templates for github