<NME> histogram.rb
<BEF> ADDFILE
<MSG> - add more facet stuff

<DFF> @@ -0,0 +1,9 @@
+
+require "logstash/search/facetresult/entry"
+class LogStash::Search::FacetResult::Histogram < LogStash::Search::FacetResult::Entry
+  # The name or key for this result.
+  attr_accessor :key
+  attr_accessor :mean
+  attr_accessor :total
+  attr_accessor :count
+end

- add more facet stuff