route_to should take precedence

lib/builder.rb

@@ -162,7 +162,7 @@ class CustomWizard::Builder
 
             if updater.errors.empty?
               if final_step
-                updater.result[:redirect_on_complete] = data['redirect_on_complete'] || data['route_to']
+                updater.result[:redirect_on_complete] = data['route_to'] || data['redirect_on_complete']
               elsif route_to = data['route_to']
                 updater.result[:redirect_on_next] = route_to
               end