uuid changes

src/main/java/net/minecraft/server/World.java

@@ -8,6 +8,7 @@ import java.util.List;
 import java.util.Random;
 import java.util.Set;
 import java.util.TreeSet;
+import java.util.UUID;
 
 // CraftBukkit start
 import org.bukkit.Bukkit;
@@ -2407,4 +2408,9 @@ public class World implements IBlockAccess {
             ((IWorldAccess) this.u.get(j1)).a(entityhuman, i, j, k, l, i1);
         }
     }
+
+    // CraftBukkit start
+    public UUID getUUID() {
+        return this.w.getUUID();
+    }
 }