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

Example/Bootstrapper.cs

@@ -0,0 +1,16 @@
+using System.Windows;
+using Autofac;
+using Prism.Autofac;
+
+namespace Example
+{
+    public class Bootstrapper : AutofacBootstrapper
+    {
+        protected override DependencyObject CreateShell() => Container.Resolve<MainWindow>();
+
+        protected override void InitializeShell()
+        {
+            (Shell as Window)?.Show();
+        }
+    }
+}