Smelt Raw Block

Allow to smelt Raw Block directly into their ingots (and not into full block!). The smelting process of a Raw Block take the same time and give the same experience que si vous avez smelt each of the 9 raw items that compose the block. And of course, the smelt of 1 Raw Block give 9 ingots. Furnace and Blast Furnace both supported for Iron, Gold and Copper.  This smelting recipes are more balanced that completly convert a Raw Block into a Full block of the element. By output the individuals ingots, you still need to manage your ingots production and eventualy convert them into block. Mostly, it just a more handy input for regular ingots.