Python3 dockerplugin update (#11)
* Update docker_build.sh
* Update docker_build.sh
* Update utility.py
* Update setup.py
Increment version
* Update docker_build.sh
* Update docker_build.sh
* Update docker_build.sh
* Update docker_build.sh
* Update docker_build.sh
* Update docker_build.sh
* Update docker_build.sh
* Add missing autodocs
Add another test so the coverage numbers don't decrease
* Remove junk from tox.ini
* Remove junk from tox.ini
* Add more tests to address coverage drops.
* Documentation tweaks
* Remove junk from tox.ini
