* Fixed an issue with downloading where spaces turned into plus signs.
* If the refresh token is invalid, but the auth token still has life in it, don't invalidate.
* Fixed docker users unable to save settings
* Show a default error icon until favicon loads
* Fixed a bug in mappings (keys/files) to pages that caused some links not to map appropriately. Updated epub-reader to v3.3.2.
* Expanded Table of Content generation by also checking for any files that are named Navigation.xhtml to have Kavita generate a simple ToC from (instead of just TOC.xhtml)
* Added another hack to massage key to page lookups when rewriting anchors.
* Cleaned up debugging notes
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