This is the non-modular experimental version of the app

What to fix:
- Dealing with numbers in the beginning of the subtitle error like
entourage.s05e08
- Focus on FileListView after browsing doesnt not focus
- Italic Tag checkbox is unresponsive and not implemented

Features to add:
- Refactoring 'Fix punctuation' code to sub-routines
- Remove italic tag
- Add support for .sub files