Validate slider value, when limits change

IPython/html/static/widgets/js/widget_int.js

@@ -63,10 +63,13 define([
                 // handle in the vertical slider is always 
                 // consistent.
                 var orientation = this.model.get('orientation');
-                var value = this.model.get('min');
-                this.$slider.slider('option', 'value', value);
+                var min = this.model.get('min');
+                var max = this.model.get('max');
+                this.$slider.slider('option', 'value', min);
                 this.$slider.slider('option', 'orientation', orientation);
                 value = this.model.get('value');
+                if(value > max) value = max;
+                else if(value < min) value = min;
                 this.$slider.slider('option', 'value', value);
                 this.$readout.text(value);