- Add more null safety
- Fix possible FilePathCache race condition
- Add MoveFilesToBooksDir progress reporting
- All metadata is now downloaded in parallel with other post-success tasks.
- Improve download resuming and file cleanup reliability
- The downloader creates temp files with a UUID filename and does not insert them into the FilePathCache. Created files only receive their final file names when they are moved into the Books folder. This is to prepare for a future plan re naming templates
- Add template tag support for multiple series
- Add series ID and contributor ID to template tags
- <first author> and <first narrator> are now name types with name formatter support
- Properly import contributor IDs into database
- Updated docs
