This dial does neither go to zero (nor 11)

src/dial.rs

@@ -33,7 +33,7 @@ impl Widget<f64> for Dial {
                 // set data
                 // maybe we can get scroll wheel direction from Env/Preferences
                 *data = *data - delta;
-                *data = f64::min(1.0, f64::max(0.0, *data));
+                *data = f64::min(1.0, f64::max(0.001, *data));
 
                 ctx.invalidate();
             }