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/WebApi/WebApiModuleExtensions.cs

@@ -0,0 +1,82 @@
+using System;
+
+namespace EmbedIO.WebApi
+{
+    /// <summary>
+    /// Provides extension methods for <see cref="WebApiModule"/>.
+    /// </summary>
+    public static class WebApiModuleExtensions
+    {
+        /// <summary>
+        /// <para>Registers a controller type using a constructor.</para>
+        /// <para>See <see cref="WebApiModuleBase.RegisterControllerType{TController}()"/>
+        /// for further information.</para>
+        /// </summary>
+        /// <typeparam name="TController">The type of the controller.</typeparam>
+        /// <param name="this">The <see cref="WebApiModule"/> on which this method is called.</param>
+        /// <returns><paramref name="this"/> with the controller type registered.</returns>
+        /// <seealso cref="WithController{TController}(WebApiModule,Func{TController})"/>
+        /// <seealso cref="WithController(WebApiModule,Type)"/>
+        /// <seealso cref="WebApiModuleBase.RegisterControllerType{TController}()"/>
+        public static WebApiModule WithController<TController>(this WebApiModule @this)
+            where TController : WebApiController, new()
+        {
+            @this.RegisterController<TController>();
+            return @this;
+        }
+
+        /// <summary>
+        /// <para>Registers a controller type using a factory method.</para>
+        /// <para>See <see cref="WebApiModuleBase.RegisterControllerType{TController}(Func{TController})"/>
+        /// for further information.</para>
+        /// </summary>
+        /// <typeparam name="TController">The type of the controller.</typeparam>
+        /// <param name="this">The <see cref="WebApiModule"/> on which this method is called.</param>
+        /// <param name="factory">The factory method used to construct instances of <typeparamref name="TController"/>.</param>
+        /// <returns><paramref name="this"/> with the controller type registered.</returns>
+        /// <seealso cref="WithController{TController}(WebApiModule)"/>
+        /// <seealso cref="WithController(WebApiModule,Type,Func{WebApiController})"/>
+        /// <seealso cref="WebApiModuleBase.RegisterControllerType{TController}(Func{TController})"/>
+        public static WebApiModule WithController<TController>(this WebApiModule @this, Func<TController> factory)
+            where TController : WebApiController
+        {
+            @this.RegisterController(factory);
+            return @this;
+        }
+
+        /// <summary>
+        /// <para>Registers a controller type using a constructor.</para>
+        /// <para>See <see cref="WebApiModuleBase.RegisterControllerType(Type)"/>
+        /// for further information.</para>
+        /// </summary>
+        /// <param name="this">The <see cref="WebApiModule"/> on which this method is called.</param>
+        /// <param name="controllerType">The type of the controller.</param>
+        /// <returns><paramref name="this"/> with the controller type registered.</returns>
+        /// <seealso cref="WithController(WebApiModule,Type,Func{WebApiController})"/>
+        /// <seealso cref="WithController{TController}(WebApiModule)"/>
+        /// <seealso cref="WebApiModuleBase.RegisterControllerType(Type)"/>
+        public static WebApiModule WithController(this WebApiModule @this, Type controllerType)
+        {
+            @this.RegisterController(controllerType);
+            return @this;
+        }
+
+        /// <summary>
+        /// <para>Registers a controller type using a factory method.</para>
+        /// <para>See <see cref="WebApiModuleBase.RegisterControllerType(Type,Func{WebApiController})"/>
+        /// for further information.</para>
+        /// </summary>
+        /// <param name="this">The <see cref="WebApiModule"/> on which this method is called.</param>
+        /// <param name="controllerType">The type of the controller.</param>
+        /// <param name="factory">The factory method used to construct instances of <paramref name="controllerType"/>.</param>
+        /// <returns><paramref name="this"/> with the controller type registered.</returns>
+        /// <seealso cref="WithController(WebApiModule,Type)"/>
+        /// <seealso cref="WithController{TController}(WebApiModule,Func{TController})"/>
+        /// <seealso cref="WebApiModuleBase.RegisterControllerType(Type,Func{WebApiController})"/>
+        public static WebApiModule WithController(this WebApiModule @this, Type controllerType, Func<WebApiController> factory)
+        {
+            @this.RegisterController(controllerType, factory);
+            return @this;
+        }
+    }
+}