Cannot place fuel or get smelted items back in inventory.

Put the summary of the bug you're having here

What I expected to happen was...:
Get my smelted objects back and put fuel in furnace.

What actually happened was...:
Nothing.

Steps to Reproduce:
1. Build furnace
2. Put in object to be smelted
3. Get frustrated at failure to put in fuel and get object after smelted.