v0.14.0

• Now requires Node 14, due to the use of fs/promises.
• The 'logout' feature will now expire any OAuth2 codes and tokens if they
  were initiated by the current browser session.
• The 'logout' endpoint now has support for a continue query parameter, to
  let the user get redirected back to a new endpoint after logout.
• Now using an 'ip to country' database to figure out where users are logging
  in from, to aid with intrusion detection features if these ever land.
• A new system that will warn the user and prevent starting if some of the
  database patches have not been applied.
• New database patches! Apply them before starting the new version.