Changelog:
- Solved NPE exception in /unban and /unmute.
- Lockdown kick message is now configurable.
- Fixed rank placeholder not working in lookup command.
- If a player tries to create a ticket without an account he will receive the register message.
- Fixed some issues when using LuckPerms placeholders.
- Redone the MOTD system. You can now create more then 1 MOTD. The MOTD's will be shown randomly to the player in the server list. (If you used the beta version of networkmanager with this feature it is recommended to reset the nm_motds table due to some changes).
- Added Kotlin and changed some classes to Kotlin.
- Cleaned-up some things. Improved some things and made some methods safer.