[v0.8.5] FLINT AND STEEL

Bugs/features:

• Add the Heart of Void
• Add sacrificed hearts as alternatives to health upgrades:
  • Sacrificed Heart of Flame: Typing "FLINT AND STEEL" in chat gives the player flint and steel
  • Sacrificed Heart of the Hunter: Crouching highlights nearby hostile mobs
  • Sacrificed Heart of Tears: Immunity to fall damage
  • Sacrificed Heart of Void: Endermen don't aggro on the player on eye contact
• Add Essence of Heartbreak for re-speccing heart upgrades
• Change Voidfade to gives the player a temporary water allergy. Wetness extends duration.
• Change ender pearl teleportation: Now also gives the player Voidfade
• Fix Cooking for Blockheads food crafting not preserving dietary restrictions
• Tweak Heart of Flame texture to be cleaner by removing the shadow
• Adjust dietary restrictions on some foods and ingredients

Dev changes:

• Various under-the-hood improvements to incantation parsing, including allowing whitespace in incantations
• Add new _liba3 mod for compatibility with AGPLv3-licensed mods, to improve license compliance