Some classes, not important
Added max-food-level to the settings config
Updated permissions for the set command
Multiple worlds support!

For the settings change-food-level and regain-hearts are 2 collections
that contain all the worlds that have it activated.
Updated it for min/max and multiworld support
Added "set" command
Updated it for min/max and multiverse support
Updated for Multiworlds support
Updated for Multiworlds support
min/max support
min/max and multiworlds support
min/max and multiworlds support!
Setcommand added with 0.4
Some converters and mathematical stuff I need in other classes
Saving min/max values
Default template for new worlds