ruflin/Elastica — pull request #411 by loris (2013-06-27 10:34:45+00:00)
Title: Add support for fields parameter in get operation

Update the getDocument method to return the `fields` field instead of `_source` if available.
Allows to get a document from ES and specify the fields you want (See fields section at http://www.elasticsearch.org/guide/reference/api/get/)