win32 config.pl updates: pushbullet and style
new option: exclude_library_id=<id>

Full exclusion for a library section id. It will not log or notify,
which could be useful for preroll sections and others.
cache auth and token info

This will save many unnecessary calls to plex.tv for an auth token.
cleanup warning and output when episode and/or season attrs are empty
bump version to 0.3.2
README style
style cleanup