advance version to 0.0.5
fix #11
fix bug where you could not skip keywords or requirements
in setup.py creation
classifiers is empty list if no classifiers
blank string, not ",", when no keywords or requirements
PEP8 fixes
Handle templates for 0 and 1 classifier/dependency properly.

* ALWAYS end lines in a list with commas.
* Handling empty lists correctly
* Removing leading/trailing whitespace