Fuji (Essentials)

WARNING:

If you are using a version before v1.5.9, you should read the changelog of v1.5.9.

• feature: add /world list command, to list all loaded worlds. (world module)
• feature: add /fuji list-commands command, to query all commands registered in the server. (fuji module)
• feature: add sign cache for color.sign module, making the sign text edit reversible, don't lose your edit work! (color.sign module)
• fix: ensure the requirement of commands is wrapped by command permission module after the server restart. (command_permission module)
• fix: the anti_build mixin doesn't work in single-player world in the client. (anti_build module)
• fix: the command spy doesn't work in single-player world in the client. (command spy module)