*Update Checker:
automatically check if new version is available
like this:


*New file:
locale.yml contains all mesage on using command, forging,...
In fact, i just move them from config.yml to a new file.

*New Requirement:
/attribute require permission <permission>
require permission to use item. See ít's option in new attributes.yml

*Other:
/forge reload: now can reload config.yml