Improved the error messages when processing database revisions and getting/adding data to the database.
Improved the initial database creation.
Moved the database revision checking into a central system instead of manually per database revision.
Improved the database revision handling where it'll cancel further revisions if one of them fails.
Moved the database revision increment system into a central system instead of manually per database revision.
Moved all database queries that have data inside to prepared statements.
Fixed a wrong ordering of messages when falling back to the default database type.
Added a whitelist and blacklist system with a command that lets you add or remove IPs from the list. The command is /advancedantivpn (whitelist/blacklist) add/remove (IP) with permission advancedantivpn.command.(whitelist/blacklist).