test_everything_is_an_object passing
test_objects_can_be_converted_to_strings passing
test_objects_can_be_inspected passing
ignore swap files
test_every_object_has_an_id passing
test_every_object_has_different_id passing
test_small_integers_have_fixed_ids passing
add object_id comments
test_clone_creates_a_different_object passing