Fixed the `pointer_ref` and `pointer_deref` tests so that they work on both 32-bit and 64-bit. Also added some explicit tests for 32-bit and 64-bit pointers.
Fixed the `pointer_ref` and `pointer_deref` tests so that they work on both 32-bit and 64-bit. Also added some explicit tests for 32-bit and 64-bit pointers.

arizvisa/syringe,arizvisa/syringe,arizvisa/syringe,arizvisa/syringe,arizvisa/syringe