* Further whitespace fixes by autopep8
* Using pep8 v1.6.2 (not currently used by pyflakes)
* Update config for pep8 and flake8 in tox.ini
* A separate pep8 entry for running autopep8. The ignores prevent
blank lines being added after docstrings.
* .tox and E133 are ignored in flake8 by default.
* Added N802 to flake8 ignore as certain inherited funcs cannot be changed
to lowercase and this unresolved warning hides other errors/warnings.
* Include new header