Create references to potion IDs.
Create mod potion class.
Re-class as PotionCE objects.
Create potions handler.
Move potions out of items handler.
Move potions into enchants.potion package.
Move items into enchants.item package.
Move mod related item classes into enchants.item package.
Move mod related potion classes into enchants.potion package.
Move horse hair into enchants.item.component package.