Remove getCubes patch as under some circumstances it can loop around itself forever. For anyone wishing to reimplement this patch, the rationale behind it is quite simple, get all cubes within each chunk at the same time.

By: md_5 <git@md-5.net>

CraftBukkit-Patches/0042-Disallow-Interaction-With-Self.patch

@@ -0,0 +1,27 @@
+From c12b6f2d2cb6e070537ab39f6cffd1d842b74a2c Mon Sep 17 00:00:00 2001
+From: md_5 <md_5@live.com.au>
+Date: Fri, 28 Jun 2013 19:52:54 +1000
+Subject: [PATCH] Disallow Interaction With Self
+
+
+diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
+index 31be464..6e54ad1 100644
+--- a/src/main/java/net/minecraft/server/PlayerConnection.java
++++ b/src/main/java/net/minecraft/server/PlayerConnection.java
+@@ -1047,6 +1047,13 @@ public class PlayerConnection implements PacketPlayInListener {
+         if (this.player.dead) return; // CraftBukkit
+         WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
+         Entity entity = packetplayinuseentity.a((World) worldserver);
++        // Spigot Start
++        if ( entity == player )
++        {
++            disconnect( "Cannot interact with self!" );
++            return;
++        }
++        // Spigot End
+ 
+         this.player.w();
+         if (entity != null) {
+-- 
+1.8.3.2
+