Added Update Checker (checks if there are any updates available on enable)
Changed /ban <player> [time in seconds] [reason] to /ban <player> [reason] <time> <d | h | m | s>(d for days, h for hours, m for minutes, s for seconds)
Changed /mute <player> <time in seconds> to /mute <player> <time> <d | h | m | s>
Added /permban command
Made "ban" screen use UTC instead of the local timezone