Changelog:
- Added functionality to input an Author URL and save all of their stories
- Added functionality to "watch authors" for future stories they write and auto-download
- Added functionality to input multiple URLs and combine them together into a single LitKeeper story
- Added OPDS server functionality to expose your library on your LAN (helpful for transferring stories to e-reader)
- Added daily download limit setting (to avoid impacts on the source website if people accidentally input author URLs with many stories)
- Added auto-healing functionality to better resolve any discrepancies between file system naming and sqlite database
- Increased polling time for background activities and changed download queue to foreground activity