Add scanning zips within zips

Added the ability to scan zips within zips.
Fix typo

Fixed a typo in the initiation options
Add get by path to file_dump_root

Added a method to get by path to the file_dump_root so to stop creating
two entries for the same place.
Fix typo " to '''

Had a multi-line string and used the wrong quote things.
Fix database interaction

Fixed all database interaction with the file scanner.