pep8 passing now except E501 line length for both tests and code
small cleanups
adding pep8 compliance unit test. line length commented out.  a few things left to fix.  Only testing src
passing pep8 unit tests now
conditionally run pep8 tests
lowering test limit to 120 character lines and fixing outstanding long lines
install pep8 for unit tests
fixing python3 compatability
Merge pull request #72 from vcstools/pep8_cleanup

Pep8 cleanup