moderntables:
	* add half-height table
	* add table with storage (2x8)

biogasmachines:
	* Coal Gasifier, Biogas Smelter - behaviour based on Quarry and Grinder

furnacemonitor:
	* add

minertools:
	* add Portable Mining Computer (all-in-one combination of 3 tools)
	* add Advanced Mining Assistant (upgraded PMC) with increased range
	* AMA should require obsidian shards!
	* for above, move detection functions to separate library lua file