[Bref] Local handler print get_debug_type (#122)

Author: Nyholm

src/bref/src/LocalRunner.php

@@ -30,6 +30,8 @@ public function run(): int
             echo json_encode($result, JSON_PRETTY_PRINT);
         } elseif (is_scalar($result)) {
             echo $result;
+        } else {
+            echo 'Handler result is of type: '.get_debug_type($result);
         }
 
         return 0;