That's one heck of a commit you've got there...

I may have got a bit behind with version control. A lot behind, in fact. Maybe I'll go back and split this sometime - then again, I probably won't. But hey, at least it's here!

src/main/java/electroblob/wizardry/block/BlockVanishingCobweb.java

@@ -1,9 +1,8 @@
 package electroblob.wizardry.block;
 
-import java.util.Random;
-
 import electroblob.wizardry.tileentity.TileEntityTimer;
-import net.minecraft.block.BlockContainer;
+import net.minecraft.block.Block;
+import net.minecraft.block.ITileEntityProvider;
 import net.minecraft.block.material.Material;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
@@ -17,15 +16,17 @@ import net.minecraft.world.World;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 
-// For future reference - extend BlockContainer whenever possible because it has methods for removing tile entities on block break.
-public class BlockVanishingCobweb extends BlockContainer {
+import java.util.Random;
+
+public class BlockVanishingCobweb extends Block implements ITileEntityProvider {
 
 	public BlockVanishingCobweb(Material material){
 		super(material);
 	}
 
 	@SideOnly(Side.CLIENT)
-	public BlockRenderLayer getBlockLayer(){
+	@Override
+	public BlockRenderLayer getRenderLayer(){
 		return BlockRenderLayer.CUTOUT;
 	}
 
@@ -49,6 +50,11 @@ public class BlockVanishingCobweb extends BlockContainer {
 		return false;
 	}
 
+	@Override
+	public boolean hasTileEntity(IBlockState state){
+		return true;
+	}
+
 	@Override
 	public TileEntity createNewTileEntity(World world, int metadata){
 		return new TileEntityTimer(400);