v0.49.0

Changed

• Use https://github.com/bdewey/TextMarkupKit for core parsing

Added

• Can export a book list in CSV format
• Can import a Goodreads CSV file
• When the app detects that it needs to merge versions of the file, saves copies of both versions in a temporary directory first for debugging.

Fixed

• Bulleted & numbered lists are no longer in crazy-hard-to-read color.