Attempted fix biome & region rarity

- Attempted to fix the issue of biome & region rarity issue

src/main/java/com/volmit/iris/util/IRare.java

@@ -4,6 +4,6 @@ public interface IRare {
     int getRarity();
 
     static int get(Object v) {
-        return v instanceof IRare ? ((IRare) v).getRarity() : 1;
-    }
+		return v instanceof IRare ? Math.max(1, ((IRare) v).getRarity()) : 1;
+	}
 }