fix cycle detector exception string printing backwards

encompass-cs/WorldBuilder.cs

@@ -129,7 +129,7 @@ namespace Encompass
             {
                 var cycles = engineGraph.SimpleCycles();
                 var errorString = "Cycle(s) found in Engines: ";
-                foreach (var cycle in cycles)
+                foreach (var cycle in cycles.Reverse())
                 {
                     errorString += "\n" +
                     string.Join(" -> ", cycle.Select((engine) => engine.GetType().Name)) +