Doesn't use default bukkit config() anymore, and instead we use YamlConfiguration that finally doesn't replace "" to '' or sometimes its just plain text
Mace-was-crafted: config option was moved to data.yml, as it is used for data checking, and editing config while this value was also in config, could result in mace duplication, if for example it was 0, someone crafted a mace it becomes 1, but once you finished editing config, and for you its still 0, and save, it stays as 0