Changes

Summary

  1. SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers (details)
Commit 39ce5d3a8ab15140d51a186670f8d31f18d31fae by md_5 (md_5)
SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers
Fix equality check in AttributeModifier Add hashCode method to
AttributeModifier This is necessary for contains() checks in ItemMeta to
function properly
The file was modifiedsrc/main/java/org/bukkit/attribute/AttributeModifier.java