Fix issue with loading book covers of local libraries in search view.

- New feature! Support TeraBox cloud service (alpha).

This update from Apple will improve the functionality of this app. No new features are included.

- Fix for Calibre 9 library compatibility.
- Note for existing users, due to the app has been transferred to the new owner, it has lost access to keychain, you will be prompted to login again, after that, it should work as normal.

New feature! Send to any device email, including Kindle.

- New feature! Remember the column position in filter page.

- New feature! Custom cover aspect ratio display mode in Settings.
- New feature! Libraries can now be renamed, via long press from the left hand side drawer on the library or in the info section.

- Improve UI for book view page.
- Make series sort behaviour the same as Calibre.

- New feature! Columns can now be picked for filtering, please check out this in setting button in filter view page.

- Fix an issue with loading date custom column with Content server for syncing book read/unread status.

- Improvement for full text search reloading functionality.

- New feature! Full text search now fully supports CJK (Chinese, Japanese, Korean) languages.
- Fix number of books displayed for libraries on the side bar.

- Fix an issue with loading library.

- New feature! Keeping screen awake while downloading books.

- New feature! Select all and select none for filters of a column in library filter screen.

- New feature! Virtual views and save filters are able to remember sort and view layout, this can be enabled in Settings.

- New feature! Advanced sort with multiple columns.

- New feature! Searching in library filters now supports languages with accents and diacritics.

- New feature! Libraries on left sidebar can now be filtered if you have more than 7 libraries.

- Improve Smart Device stability and add more information about Calibre wireless connection.

- New feature! Library filters can now be saved, please check this out under virtual views section.
- New feature! Virtual views and saved filters can be sorted alphabetically or pin/unpin.
- New feature! When books with only one format, READ will open the format directly.

- New feature! Long press on libraries in the side bar to pin/unpin the library.

- Improve UI when moving download/inbox directory or downgrade/upgrade library formats.

- New feature! Settings to not download covers in auto sync.
- Improve default listing unread books in library view in auto sync.

Fix issue with Alphabet group view by authors.

- New feature! Double tap a book in Grid view to open quick actions for downloading and reading the book.
- New feature! Alphabet group view supports sorting by author and series.

- New feature! Smart Device library can now be deleted.