Fix ConcurrentModificationException in tile chunk load hook

src/codechicken/lib/world/TileChunkLoadHook.java

@@ -5,6 +5,9 @@ import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.event.world.ChunkEvent;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class TileChunkLoadHook
 {
     private static boolean init;
@@ -17,7 +20,8 @@ public class TileChunkLoadHook
 
     @SubscribeEvent
     public void onChunkLoad(ChunkEvent.Load event) {
-        for(TileEntity t : ((Iterable<TileEntity>)event.getChunk().chunkTileEntityMap.values()))
+        List<TileEntity> list = new ArrayList<TileEntity>(event.getChunk().chunkTileEntityMap.values());
+        for(TileEntity t : list)
             if(t instanceof IChunkLoadTile)
                 ((IChunkLoadTile)t).onChunkLoad();
     }