Fix database loading data for wrong player

Fixes #2223
Should be this
Improve auto mod config generator
Actually fix flatfile player loading....

you lied to me @tft_02
Allow equal rank levels for Salvage

Fixes #2270
Allow AdvancedSalvage unlock level 0

Fixes #2265
UUID support for parties
Keep a list of online party members in memory
Add hasMember methods
Use LinkedHashMap<UUID, String> instead
Upgrade old party.yml files
Use own database to grab uuids instead (?)
These are the wrong way round

The UUID's are the keys, not the names