* Added extra debugging for logout issue
* Fixed the null issue with ISBN
* Allow web links to be cleared out
* More logging on refresh token
* More key fallback when building Table of Contents
* Added better fallback implementation for building table of contents based on the many different ways epubs are packed and referenced.
* Updated dependencies
* Fixed up refresh token refresh which was invalidating sessions for no reason. Added it to update last active time as well.
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