python_ud3tn_utils: Limit auto-generated ipn service nbr to INT32_MAX
See #92 (closed) - ION only supports 32 bit service numbers.
Fixes: #92 (closed) Signed-off-by: Felix Walter felix.walter@d3tn.com
See #92 (closed) - ION only supports 32 bit service numbers.
Fixes: #92 (closed) Signed-off-by: Felix Walter felix.walter@d3tn.com