Added a set of genes to modify genitalia sizes

Source/Genes/GenitaliaSize/Gene_SmallMaleGenitalia.cs

@@ -0,0 +1,26 @@
+using Verse;
+using rjw;
+using System;
+
+namespace RJW_Genes
+{
+    public class Gene_BigMaleGenitalia : Gene
+    {
+
+        public override void PostMake()
+        {
+            base.PostMake();
+            if (GenitaliaUtility.PawnStillNeedsGenitalia(pawn))
+                Sexualizer.sexualize_pawn(pawn);
+
+            SizeAdjuster.AdjustAllPenisSizes(pawn,0.0f,0.5f);
+        }
+        
+        public override void PostAdd()
+        {
+            base.PostAdd();
+            SizeAdjuster.AdjustAllPenisSizes(pawn, 0.0f, 0.5f);
+        }
+
+    }
+}