Fixed player to be able to freeze himself and removed message spam when player is frozen

Fixed false no permission messages

- Added Help Menu
- Added no permissions message
- Fixed Update Checker once and for all

Another update checker fix

- Config file
- Added update notification on Join (If enabled in config)

Fixed Update Checker (Maybe)

- Fixed Error occuring when no argument is provided
- Fixed Java Version

Added Update Checker

Fixed error when trying to Freeze offline player