Issue description:

Server crashes when switching pulverizer (from Thermal Expansion) mode connected to refined storage

What happens:

crash server

Steps to reproduce:

Connect the pulverizer to the refined storage, change the input ports and get a crash

Version (make sure you are on the latest version before reporting):

• Minecraft: 1.12.2
• Forge: latest
• Refined Storage: 2.1.1

Does this issue occur on a server? [yes/no] yes

If a (crash)log is relevant for this issue, link it here:

https://pastebin.com/bs9g2qyH

I'll fix it today.

Thanks for reporting bugs, I didn't know anyone even uses this.

fixed in 25e35d7