Codex

- Fixes
- Fix root folder for library sometimes not created on import.
- Fix redirect loop in browser when all members of a group deleted.
- Fix browser pagination buttons not advancing.
- Fix OPDS v2 crash
- Fix browser throbber not appearing when making query.

- Fixes
- Fix Folder browser offset pagination bug for folder with books and no
folders.

- Fixes
- Fix erroneous Folder View page out of bounds redirect.

- Fixes
- Folder view was not showing all the books on mixed folder & book pages.
- Shutdown and Restart admin tasks were not working.

- Fixes
- Crash when reading comics in folder view introduced in v1.5.8

- Fixes
- No search results was returning every comic instead of no comics.
- issue: field searching returned no results.
- issue_number, community_rating, & critical rating no longer require two
digits of precision.
- Excess books included in reader arc/folder/series.
- Features
- Even Lazier import when Import Metadata Admin flag turned off.
- issue: field search now combines numeric and suffix parts.