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/CompressionMethodNames.cs

@@ -0,0 +1,27 @@
+namespace EmbedIO
+{
+    /// <summary>
+    /// Exposes constants for possible values of the <c>Content-Encoding</c> HTTP header.
+    /// </summary>
+    /// <see cref="CompressionMethod"/>
+    public static class CompressionMethodNames
+    {
+        /// <summary>
+        /// Specifies no compression.
+        /// </summary>
+        /// <see cref="CompressionMethod.None"/>
+        public const string None = "identity";
+
+        /// <summary>
+        /// Specifies the "Deflate" compression method.
+        /// </summary>
+        /// <see cref="CompressionMethod.Deflate"/>
+        public const string Deflate = "deflate";
+
+        /// <summary>
+        /// Specifies the GZip compression method.
+        /// </summary>
+        /// <see cref="CompressionMethod.Gzip"/>
+        public const string Gzip = "gzip";
+    }
+}