0.04 Wed June 16 2010
    - add get_keys to bucket to get the list of existing keys in a
      bucket
    - add map/reduce examples
    - accept multiple hosts
    - use json::{false,true} in allow_mult

0.03 Mon 14 Jun 2010 05:58:48 PM CEST
    - add roles to generate attributes (mx::r::parameterized)

0.02 Mon 14 Jun 2010 03:48:43 PM CEST
    - links_to_header is now private
    - add some handles
    - client is moved to a class
    - client is now a N::R::Client
    - add tests for bucket, client, object, links

0.01 Mon 14 Jun 2010 01:08:52 PM CEST
    - initial release (port of the python client)