Issue Description:
While in the NEI database the upgrades for iron backpacks were not showing up.
There only three upgrades available. More upgrade points, Latch upgrade, and damage bar upgrade. None of the filters or the Nesting upgrades were showing up

Steps to reproduce (important):

1. open NEI database from your inventory
2. search for iron backpacks in the search bar
3. only a few upgrades for the backpacks show up

Affected Versions

• IronBackpacks: 1.12.2-3.02-3
• Minecraft: 1.12.2
• Forge: 14.23.1.2555

Screen shot

Log File

2017-12-31-2.log.gz

Because 1.12 is a dev build. The filter upgrades haven't been released yet.

oh thnx sorry