[SAGA-RG] get_stdout/err for Python

[Hartmut Kaiser]

> SAGA C++ API has saga::job::job::get_stdout() and get_stderr().
> However,
> the SAGA Python API Documentation
> (http://saga.cct.lsu.edu/python/apidoc/) seems that Python API does not
> have those methods. Could you tell me why you do not implement them for
> Python? If you know some alternative ways to get such standard
> output/error stream by Python, please tell me.

These are just not implemented yet. And as the docs are generated directly
from the code the functions are not documented either. That's for no
particular reason other than the Python bindings are still in beta status. I
opened a ticket reminding us to implement those.

Thanks!
Regards Hartmut