PEP-8 polish: Remove trailing whitespace, remove unnecessary semicolons, remove unnecessary parans, add/delete new lines.
More pep8 polish.
PEP-8 polish: Remove unused imports, indentation correction. Make code more pythonic etc.
Merge pull request #25 from mindprince/pep8-polish

PEP-8 polish: Correct some inconsistent indentation, remove trailing spaces, remove superfluous semicolons/parans. Make code more pythonic