Added Prism to example, Added ability to filter files and minor bugfixes

Example/App.xaml.cs

@@ -1,9 +1,16 @@
-namespace Example
+using System.Windows;
+
+namespace Example
 {
     /// <summary>
     /// Interaction logic for App.xaml
     /// </summary>
     public partial class App
     {
+        protected override void OnStartup(StartupEventArgs e)
+        {
+            var bootstrapper = new Bootstrapper();
+            bootstrapper.Run();
+        }
     }
 }