+ Convert setup.py test to run py.test instead of tox
+ Tox should now run setup.py test
+ TravisCI will create a job for each TOX_ENV and then execute
tox to run the tests for that TOX_ENV
Dynamips working directory management
Random port selection for the ZeroMQ server
TCP & UDP port allocation in a range with improvements
Update Dynamips to 0.2.11 (for the tests)
Focus on Python3 development (stop trying to be compatible with Python
2.x)
More error/bug catching