Added:
Fuel system. You have to set the items and the % reduction e.g with the fuel item you want to set and use /minion fuel set 1 (fuel's tier) 25 (thats the % of reduction)
Changed:
Storage System, now you can set any name and lore to the chests with the chest item you want to set and use /minion chest set 1 (chest's tier)
Some message on language.yml delete the file to get them