Merge branch 'release/0.2.1'. Fixes #9

Author: Khaled Shaaban

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "ionic-durationpicker",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "authors": [
     "Khaled Shaaban <kshaaban@outlook.com>"
   ],

dist/ionic-durationpicker.js

@@ -86,6 +86,8 @@
                 popupCancelButtonType: scope.idpConfig.popupCancelButtonType ? scope.idpConfig.popupCancelButtonType : 'button-stable'
             };
 
+            var _skipWatch = false;
+
             scope.showPopup = _showPopup;
             scope.getItemClasses = _getItemClasses;
             scope.getInputButtonType = _getInputButtonType;
@@ -95,7 +97,13 @@
             scope.releaseHold = _releaseHold;
             scope.prettyFormatDuration = _prettyFormatDuration;
 
-            _initialize();
+            scope.$watch('idpOutput', function(n, o) {
+                if (!_skipWatch) {
+                    _initialize();
+                }
+
+                _skipWatch = false;
+            });
 
             //////////////////////////////////////////////////
 
@@ -244,6 +252,8 @@
             }
 
             function __getDurationInSeconds() {
+                _skipWatch = true;
+
                 scope.duration = angular.copy(scope.popupDuration);
                 scope.idpOutput = parseInt(scope.duration.days * 86400) + parseInt(scope.duration.hours * 3600) + parseInt(scope.duration.minutes * 60) + parseInt(scope.duration.seconds);
             }