I couldn't figure out why my script was saying my IItemStack import was null, so I started digging through your source and figured it out. In the docs it says minetweaker.item but it should say crafttweaker.item

image for reference

For the record, I love the new docs. They're so much nicer than the old ones.

doc issues go here:
https://github.com/jaredlll08/CraftTweaker-Documentation/issues