Compact Machines related crash

[jtljac]

Describe the bug
Server crash caused by pressure pipes connected to tunnels inside Compact Machines 3
java.lang.NullPointerException caused by Pressure Path Finder when pressure pipes try to connect via a tunnel from inside a compact machine to the outside

To Reproduce
Steps to reproduce the behavior:

1. Create compact machine
2. Run pressure pipe through tunnel, connect pressure pipe on otherside of tunnel (the equivilent side of the compact machine block)
3. Try to push item
4. Crash

Expected behavior
A clear and concise description of what you expected to happen.

Crash Log
https://pastebin.com/WhX73rpq

Versions
Include versions of the dependencies. And since you're looking at it, make sure ProjectRed is up to date. Don't submit bugs for old versions, as they could have been fixed.

• CCL Version: 1.12.2-3.2.3.358
• FMP Version: 1.12.2-2.6.2.83
• MrTJPCore Version: 1.12.2-2.1.4.43
• ProjectRed Version: 4.9.4.120