Got at least one data fetching method working; turns out, we can't use a patched LogicStack to get the data

Vendor/EmbedIO-3.5.2/Routing/RoutingModuleExtensions.cs

@@ -0,0 +1,26 @@
+using System;
+
+namespace EmbedIO.Routing
+{
+    /// <summary>
+    /// Provides extension methods for <see cref="RoutingModule"/>.
+    /// </summary>
+    public static partial class RoutingModuleExtensions
+    {
+        /// <summary>
+        /// <para>Adds handlers, associating them with HTTP method / route pairs by means
+        /// of <see cref="RouteAttribute">Route</see> attributes.</para>
+        /// <para>See <see cref="RouteVerbResolverCollection.AddFrom(object)"/> for further information.</para>
+        /// </summary>
+        /// <param name="this">The <see cref="RoutingModule"/> on which this method is called.</param>
+        /// <param name="target">Where to look for compatible handlers.</param>
+        /// <returns><paramref name="this"/> with handlers added.</returns>
+        /// <exception cref="NullReferenceException"><paramref name="this"/> is <see langword="null"/>.</exception>
+        /// <exception cref="ArgumentNullException"><paramref name="target"/> is <see langword="null"/>.</exception>
+        public static RoutingModule WithHandlersFrom(this RoutingModule @this, object target)
+        {
+            @this.AddFrom(target);
+            return @this;
+        }
+    }
+}