nervetattoo/elasticsearch — pull request #49 by 1e1 (2014-08-26 13:13:10+00:00)
Title: Global search aggregations issue.

Don't send the Q parameter if the query is NULL.
Otherwise it should search only items with void word.

Now you can search a void word:
`$es->search("", $options);`
or you can search every things:
`$es->search(null, $options);`