0.0.4 - 2011-12-12
  - deflate boolean values to JSON::XS::true/false

0.0.3 - 2011-11-11
  - fall back to the _id property in sub get_id_property

0.0.2 - 2011-08-19
  - documentation fixes

0.0.1 - 2011-08-18
  - initial release