Change windup-modifier to not allow going below 0.25 (was possible if…

… the last application was more)

src/main/java/tconstruct/modifiers/tools/ModWindup.java

@@ -77,6 +77,7 @@ public void modify (ItemStack[] input, ItemStack tool)
 
         int baseDrawSpeed = tags.getInteger("BaseDrawSpeed");
         int drawSpeed = baseDrawSpeed - (int)boost;
+        drawSpeed = Math.max(5, drawSpeed); // 0.25f is the minimum
         tags.setInteger("DrawSpeed", drawSpeed);
     }
 }