Add MCUtils helper

This will be used by my next commit. But trying to get the build going
since CI blew up

Spigot-Server-Patches/0116-Entity-AddTo-RemoveFrom-World-Events.patch

@@ -0,0 +1,29 @@
+From 5c9cf706ab6830412c90caeb2e3aacb8eead887f Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Mon, 28 Mar 2016 20:32:58 -0400
+Subject: [PATCH] Entity AddTo/RemoveFrom World Events
+
+
+diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
+index fcd7cd6..fa84bad 100644
+--- a/src/main/java/net/minecraft/server/World.java
++++ b/src/main/java/net/minecraft/server/World.java
+@@ -1119,6 +1119,7 @@ public abstract class World implements IBlockAccess {
+         }
+ 
+         entity.valid = true; // CraftBukkit
++        new com.destroystokyo.paper.event.entity.EntityAddToWorldEvent(entity.getBukkitEntity()).callEvent(); // Paper - fire while valid
+     }
+ 
+     protected void c(Entity entity) {
+@@ -1126,6 +1127,7 @@ public abstract class World implements IBlockAccess {
+             ((IWorldAccess) this.u.get(i)).b(entity);
+         }
+ 
++        new com.destroystokyo.paper.event.entity.EntityRemoveFromWorldEvent(entity.getBukkitEntity()).callEvent(); // Paper - fire while valid
+         entity.valid = false; // CraftBukkit
+     }
+ 
+-- 
+2.7.4
+