* Added a lot of tests
* More tests! Added a Parser.NormalizePath to normalize all paths within Kavita.
* Fixed a bug where MarkChaptersAsUnread implementation wasn't consistent between different files and lead to extra row generation for no reason.
* Added more unit tests
* Found a better implementation for Natural Sorting. Added tests and validate it works. Next commit will swap out natural Sort for new Extension.
* Replaced NaturalSortComparer with OrderByNatural.
* Drastically simplified and sped up FindFirstEntry for finding cover images in archives
* Initial fix for a epub bug where metadata defines key as absolute path but document uses a relative path. We now have a hack to correct for the epub.
* Fixed a case where chapter was being parsed incorrectly when the series title ends in a number.
* Updated Kavita to support Tome/T notation found in French comics
* Added support for identifying European specials and expanded support for cleaning some tags used in European comics. During cleaning, if series starts with - or comma, remove it.
* Fixed an issue where add to collection for a single series wasn't calling the bulk action handler
* Fixed a NPE on AgeRating conversion. Fixed a bug where when looking for cover image, file extensions was throwing off sort code.
* Refactored Natural Sort ordering to better follow how Windows behaves. This is a departure from how the original code executes.
* GetCachedPagePath now uses natural sorting to pick the images for reading in a more correct order.
* Updated parser to handle a case where there was more than one space as a separator
