V0.2.0

• add a recommended-version notifier
• Delay the first message on-joining by one second

0.0.1-alpha

• Support permission
• can create complex settings (e.g. allow 1.8-1.14 and blacklist 1.9)
• Support multiple messages (for not-whitelisted versions) and for (whitelisted but add to blacklist)
• Support notification to the player with perms, reminding them to change the version.
• Have more complex/fail-safe events and uses stable API (like Vault plugin [optional])
• Have API [read-only access].