[MERGE] Fix NotImplementedError spam from do_body, add test_smart_request module.

[Robert Collins]

Robert Collins has voted approve.
Status is now: Approved


For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C20090212013007.GA18157%40steerpike.home.puzzling.org%3E
Project: Bazaar