Found a problem when using the same object in different objects ``` fjson_object *m = fjson_object_new_object(); fjson_object *i = fjson_object_new_int(1); fjson_object *a = fjson_object_new_object(); fjson_object_object_add(a, "i", i); fjson_object *b = fjson_object_new_object(); fjson_object_object_add(b, "i", i); fjson_object_object_add(m, "a", a); fjson_object_object_add(m, "b", b); printf("%s\n", fjson_object_to_json_string_ext(m, FJSON_TO_STRING_PLAIN)); fjson_object_put(m); // segmentation fault due to trying to delete one i in different objects ```