Fixed issue with health bars clamping to 100

rpg-docs/public/custom_components/paper-diff-slider/paper-diff-slider.html

@@ -1,13 +1,3 @@
-s<!--
-@license
-Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by paper as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-
 <link rel="import" href="../../components/polymer/polymer.html">
 <link rel="import" href="../../components/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
 <link rel="import" href="../../components/iron-flex-layout/iron-flex-layout.html">
@@ -514,6 +504,11 @@ Custom property | Description | Default
         this.value = this._clampValue(this.value - this.step);
       },
 
+      resetOldValue: function(){
+          this.secondaryProgress = this.value;
+          this._setOldValue(this.value);
+      },
+
       _updateKnob: function(value, min, max, snaps, step) {
         this.setAttribute('aria-valuemin', min);
         this.setAttribute('aria-valuemax', max);