Attempted fix biome & region rarity

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

src/main/java/com/volmit/iris/scaffold/stream/ProceduralStream.java

@@ -282,8 +282,8 @@ public interface ProceduralStream<T> extends ProceduralLayer, Interpolated<T> {
         }
 
         for (V i : types) {
-            rarityTypes.addMultiple(i, Math.max(1, (IRare.get(i) / totalRarity)));
-        }
+			rarityTypes.addMultiple(i, totalRarity / IRare.get(i));
+		}
 
         return new SelectionStream<V>(this, rarityTypes);
     }

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;
+	}
 }