PEP8 way of Python code commenting. '#' -> '# '

PEP8 recommends to comment using # + space. While it is just a style guide, code quality tools like landscape.io raise style problems when not followed resulting in very poor score. Changing '#' to '# ' made my project ObjectPath (ca. 1500 lines) score better by 4% there.
Merge pull request #8 from adriank/patch-1

PEP8 way of Python code commenting. '#' -> '# '