Better Bloomeries

<p>Adds 3 tiers of bloomeries made with refractory bricks.</p> <ul> <li>Tier 1 bloomeries drop 10 tier 1 bricks on average (vanilla bloomeries drop 9 on average).</li> <li>Tier 2 bloomeries drop 11 tier 2 bricks on average.</li> <li>Tier 3 bloomeries always drop all 12 bricks.</li> </ul> <p>Bases/Chimneys of different tiers can be mixed, but cannot be used with vanilla bloomeries.</p> <p>&nbsp;</p> <p>Big thanks to Spear and Fang + l33tman for all their help with this mod.</p>