Update

Note: the version field in the API is out-of-date and will be updated on the next release

Changes:

• New commands /extend, /restart
• Support countdown
• Master server re-register
• Voting improvements
• Chat filtering
• /not improvements
• Chat refactor w/ chat types
• Custom preset level list
• Restructure project layout
• Add ServerListTools to log the server list and to close the server if it doesn't show in the list for a while
• Add UseNat config