sksamuel/elastic4s — pull request #134 by mresposito (2014-04-19 15:40:56+00:00)
Title: Michele add range facets

add `to` and `from` functions to facet API to complete the range facet API. See http://www.elasticsearch.org/guide/en/elasticsearch/client/java-api/current/java-facets.html#_prepare_facet_request_9 for more detail.