Refactor add_to_path with tests
Fix type hints for titles_match
Use casefold in get_language
Fix using the recursive flag in cli mode
Add http status code to ComicVine exceptions
Fix parenthesis getting removed when renaming
Add more tests
Cover image scaling now uses the smooth transformation option in Qt
Filename parsing now identifies a single number as a filename
e.g. '52.cbz' gets parsed as issue: 52 and series: 52
