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/RoutingModule.cs

@@ -0,0 +1,62 @@
+using System;
+
+namespace EmbedIO.Routing
+{
+    /// <summary>
+    /// A module that handles requests by resolving route / method pairs associated with handlers.
+    /// </summary>
+    /// <seealso cref="WebModuleBase" />
+    public class RoutingModule : RoutingModuleBase
+    {
+        /// <inheritdoc cref="WebModuleBase(string)"/>
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RoutingModule"/> class.
+        /// </summary>
+        public RoutingModule(string baseRoute)
+            : base(baseRoute)
+        {
+        }
+
+        /// <summary>
+        /// Associates a HTTP method and a route to a handler.
+        /// </summary>
+        /// <param name="verb">A <see cref="HttpVerbs"/> constant representing the HTTP method
+        /// to associate with <paramref name="handler"/>, or <see cref="HttpVerbs.Any"/>
+        /// if <paramref name="handler"/> can handle all HTTP methods.</param>
+        /// <param name="matcher">The <see cref="RouteMatcher"/> used to match URL paths.</param>
+        /// <param name="handler">A callback used to handle matching contexts.</param>
+        /// <exception cref="ArgumentNullException">
+        /// <para><paramref name="matcher"/> is <see langword="null"/>.</para>
+        /// <para>- or -</para>
+        /// <para><paramref name="handler"/> is <see langword="null"/>.</para>
+        /// </exception>
+        public void Add(HttpVerbs verb, RouteMatcher matcher, RouteHandlerCallback handler)
+            => AddHandler(verb, matcher, handler);
+
+        /// <summary>
+        /// Associates a HTTP method and a route to a synchronous handler.
+        /// </summary>
+        /// <param name="verb">A <see cref="HttpVerbs"/> constant representing the HTTP method
+        /// to associate with <paramref name="handler"/>, or <see cref="HttpVerbs.Any"/>
+        /// if <paramref name="handler"/> can handle all HTTP methods.</param>
+        /// <param name="matcher">The <see cref="RouteMatcher"/> used to match URL paths.</param>
+        /// <param name="handler">A callback used to handle matching contexts.</param>
+        /// <exception cref="ArgumentNullException">
+        /// <para><paramref name="matcher"/> is <see langword="null"/>.</para>
+        /// <para>- or -</para>
+        /// <para><paramref name="handler"/> is <see langword="null"/>.</para>
+        /// </exception>
+        public void Add(HttpVerbs verb, RouteMatcher matcher, SyncRouteHandlerCallback handler)
+            => AddHandler(verb, matcher, handler);
+
+        /// <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="target">Where to look for compatible handlers.</param>
+        /// <returns>The number of handlers that were added.</returns>
+        /// <exception cref="ArgumentNullException"><paramref name="target"/> is <see langword="null"/>.</exception>
+        public int AddFrom(object target) => AddHandlersFrom(target);
+    }
+}