Set the highest version of Python supported for pip installation
This ticket was spawned from a user suggestion in #67 (closed).
We would like to limit which version of Python can install umobj. umobj only supports Python 2.6 and 2.7. We should set python_requires
[0] in the project's setup.py
to reflect this.
Ticket reserved for new Staffers to gain development experience
[0] - https://packaging.python.org/guides/distributing-packages-using-setuptools/#python-requires