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

Vendor/Swan.Lite-3.1.0/Extensions.IEnumerable.cs

@@ -0,0 +1,25 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Swan
+{
+    /// <summary>
+    /// This class contains extensions methods for IEnumerable
+    /// </summary>
+    public static class IEnumerableExtensions
+    {
+        /// <summary>
+        /// This method make an union of two IEnumerables
+        /// validation when some of them is null.
+        /// </summary>
+        /// <typeparam name="T">T</typeparam>
+        /// <param name="this">The this.</param>
+        /// <param name="second">The second.</param>
+        /// <returns> The Union </returns>
+        public static IEnumerable<T> UnionNull<T>(this IEnumerable<T> @this, IEnumerable<T> second)
+        {
+            if (@this == null) return second;
+            return second == null ? @this : @this.Union(second);
+        }
+    }
+}