Fix getLibrary() calls
Change settings.txt to settings.json
Merge pull request #7 from alxgnon/json-format

Change settings.txt to settings.json
Respect PEP8 style standard in all Lune code
Fix indent in libraryView
Merge pull request #8 from alxgnon/pep8-reformat

Respect PEP8 style standard in all Lune code