[IronPython] Weird Anomoly with SetStandardOutput

[Michael Foord]

Dino Viehland wrote:
> To the extent that objects can be marshaled by ref it won't be too much of a problem - unless the objects are chatty in which case it'll be the x-domain calls which would kill perf instead of serialization of a large object graph.
>   
They would largely be pure Python classes (just potentially a lot of 
instances).

We should have to do very few calls across domain barriers though. 
However, it is in the most 'performance-sensitive' part of our application.

Michael