diff --git a/src/main/java/net/minecraft/item/ItemStack.java b/src/main/java/net/minecraft/item/ItemStack.java
index 426b129..43e9289 100644
--- a/src/main/java/net/minecraft/item/ItemStack.java
+++ b/src/main/java/net/minecraft/item/ItemStack.java
@@ -758,4 +758,28 @@
 
 		return ichatcomponent;
 	}
+
+	/*========================= Forge Start=======================*/
+	@Override
+	public int hashCode()
+	{
+		int hash = 1;
+		if (field_151002_e != null) hash = 31*hash + field_151002_e.hashCode();
+		hash = 31*hash + itemDamage;
+		hash = 31*hash + stackSize;
+		if (stackTagCompound != null) hash = 31*hash + stackTagCompound.hashCode();
+		return hash;
+	}
+
+	@Override
+	public boolean equals(Object o)
+	{
+		if (!(o instanceof ItemStack)) return false;
+		if (o == this) return true;
+		ItemStack i = (ItemStack)o;
+		if (field_151002_e != i.field_151002_e || stackSize != i.stackSize || itemDamage != i.itemDamage)
+			return false;
+		if (stackTagCompound != null) return stackTagCompound.equals(i.stackTagCompound);
+		return i.stackTagCompound == null;
+	}
 }
\ No newline at end of file
diff --git a/src/main/resources/fmlversion.properties b/src/main/resources/fmlversion.properties
index d8b7442..e7fdf92 100644
--- a/src/main/resources/fmlversion.properties
+++ b/src/main/resources/fmlversion.properties
@@ -1,6 +1,6 @@
 fmlbuild.major.number=7
 fmlbuild.minor.number=2
 fmlbuild.revision.number=172
-fmlbuild.build.number=30
+fmlbuild.build.number=31
 fmlbuild.mcversion=1.7.2
 fmlbuild.mcpversion=9.03