Issue Description:

Breaking painted quite clear glass

What happens:

Client crashes with error see below:
crash-2016-04-06_22.29.15-client.txt

What you expected to happen:

Block to break with no crashing

Steps to reproduce:

1. Paint clear glass using the painting machine
2. Place block in the world
3. Break block
4. Client crashes to desktop
5. if multiple painted blocks are placed the client crashes upon login every time.

Appears to only happen when in survival.

Affected Versions (Do not use "latest"):

• EnderIO: 1.8.9-exp - Commit 3b9c3a7 dated 06/04/2016 at 22:06 (UK - BST)
• EnderCore: 1.8.9 - Commit 7f36749dd696090257f64544434701dadd0edd3d dated 31/04/2016 (UK - BST)
• Minecraft: 1.8.9
• Forge: 11.15.1.1808

Your most recent log file where the issue was present:

crash-2016-04-06_22.29.15-client.txt

got it