Immunity and the ability to freeze players after they joined implemented
Players now can be automatically banned if they die or get killed
Implemented a countdown when you start a new game
Implemented a command to stop an active game
Bugfixes
The method on how the date and time are stored was changed. Also the format of the date and time that are stored in "dates.yml" was changed, because of an issue that occured on an Ubuntu Linux machine. With the new format, this issue should no longer occur.
