PvpToggle

Version: 1.4
Changelog
- added join messages with pvp status (idea from private message from @seema23)
- added subcommands 'help' for /pvpadmin and /pvp. (idea from private message from @seema23)
- added subcommand 'version' to /pvpadmin.
- added arguments aliases 'on' to /pvp enable and /pvpadmin enable.
- added arguments aliases 'off' to /pvp disable and /pvpadmin disable.
- removed subcommand 'info' from /pvpadmin and /pvp.
- repaired bug with getting unknown message from config.yml
- created new checking dependency system.
- added blocking ender pearls on fight
- added blocking gamemode creative on fight
- added blocking fly on fight
- repaired bugs
- other