benoitc/couchdbkit — pull request #115 by RonnyPfannschmidt (2012-01-25 16:34:43+00:00)
Title: refactor consumer backends (the only per backend primitive is now spawn)

this branch needs some more review, since it also changes the way fetch/wait_once call the callback in order to fit with wait

i created this pull request mainly for discussion of the changes

there is still need for some extra work to ensure backward-compatibility wrt the backend param
and auto-selecting a backend based on the socketpool manager of the client