putObject object type coercing

Like it says in the API of RSOAP sometimes it's SOAP has problem converting object and it may need some help:

In the python shell:
>>array_numbers=RSession.call("rnorm",10)

This array_number will be an instance object.

To put this list python object in the R
>>RSession.putObject("x",list(array_numbers))

if there weren't the conversion to list from instance the R server would reply
'None'

PS: Better to use the wrapper function shown in the article RSOAP in Python Zine to deal with object transformation