relax SVN archive

Python 3 - Eliminated an unneeded xrange call.

Python 3 - eliminated the use of the map() function, as this behaves differently in Python 3.

Python 3 - removed the use of the string.lower() function as it is missing in Python 3.

Python 3 fix for the relax information print out.

The try blocks seem to now operate slightly differently in Python 3.

Python 2 fixes - the Python 3 fixes for the ScientificPython module imports broke Python 2.

Python 3 - The cStringIO.StringIO import switches to io.StringIO if missing.

Python 3 - relative module paths are now used for the test suite runner.

Debugging printout removal.

Python 3 fixes for the version module for catching empty lists.

Python 3 fix - ensure an integer is actually an integer (division now converts ints to floats).