Fix for different Unimod interface changes.
Improvements to test_parser.py.
Pythonic style improvements applied to Server.py
PEP8 fixes for Reference.py
Some initial testing of MGF module.
PEP-8 style fixes applied to FileTypes.py
PEP-8 fixes for GPMDB
Testing setup improvements - add functional test base (requires WebTest) and .coveragerc & setup.cfg. 'nosetests & coverage html'.