ReStack_0.3.12

• fixed null reference for recipe.ingredients #2
• fixed null reference for recipe.ingredients #1
• added solid fuel
• moved all action into data-final-fixes

ReStack 0.3.9

• added electric poles
• added arithmetic, decider and constant combinator
• added red & green wire

ReStack 0.3.8

• find rocket parts by recipe
• find nuclear fuel and burn result by fuel category

ReStack 0.3.7

Features:
- barrels updated to changes in 0.16.8
- increased default barreling recipes to more ups friendly 10 barrels/2s
Removed:
- fluid wagon tweaks