Change database model to include archiveFileIndex in preparation for multi-rom archives. (First launch after this takes a while to update the library!!)
Importer sets archiveFileIndex and I removed more archive.vg stuff.
Enable multi rom archive import.
Enable game info download for multi part rooms.
Passing entry index of archived rom to helper app.
When deleting a rom, keep archive file if other roms from it are also in the db.
‘Consolidating’ roms from  multi-rom archives changes the path for all roms of that archive that are in the library.