0.0.4 2014-04-26
  - Search::Elasticsearch will be used for coercions

0.0.3 2014-01-08
  - ElasticSearch is deprecated, switching to Elasticsearch for coercion form Str
  - ES will also accept ElasticSearch as well as Elasticsearch::Compat

0.0.2 2012-01-13
  - scan and count query_types

0.0.1 2011-07-06
  - initial release