Moved the propane value out of the main mod and into a mod on it's own to allow it to be enabled and disabled if required.

Added back in the vanilla staircase.

Balance changes on Metalworking storage.
Added Large Metal Shelving option.

Slight configuration change to the Stairs menu to reduce bug reports.

Garage doors can now be built in pre-existing buildings

Fixed issue with Itemtweaker not adjusting option

Moved Metal Stairs and Garage doors into main mod and out of Extra Buildings

Blacksmith menu updated with new RGB code

Fixed issue regarding RGB colours when building objects within the Carpentry Menu

Fixed requirements needed for 2nd bar elements in carpentry menu.