PEP8 - mostly tabs -> spaces, broke-up 2 long lines
PEP8, PEP328 - use parenthesis in long import statements & fix visual indentation
PEP8 - clean up imports
PEP8 - more idiomatic long print
PEP8 - fix indentation of parameters
Merge pull request #24 from walkerh/pep8-fix

PEP8 fix