Ultra Hardcore by DWizard

Feature:

• added settings to hide custom recipes (remove knowledge books in crafting hints)

Bugfixes:

• fixed steel tool repair in deepslate & nether forge
• white carpet drops (previously dropped nothing)
• fixed pig iron crafting recipe (previously it could be crafted only once)
• fixed flint hatchet durability (previously 59)

Changes:

• renamed nether core to heart of the nether
• all copper tools have 64 durability
• Max XP scales slightly faster with experience