Code file restructuration + timed effect + some fixes
+ Added timed effect command ("/pe gte", "/pe rte") + Restructuration of all code files and converting them to UTF-8 + Fixing some messages mistakes + Changed the command "/pe give" to "/pe giveitem" + Added a message to the "/pe giveitem"
Note: You must delete/update your messages.yml file to let plugin make the new one with the new messages!