+ Complete rewrite, see docs/v1_to_v2.md for breaking changes, summary: * Full support for ES 1.5.2 queries, filters and aggregates * Extensible DSL builder replaces manually handled methods * Proper testing for each query/filter/aggregate and combined queries
1.9.7
+ Add boost support to filtered query
1.9.6
+ Add `precision_threshold` to `Aggregate.cardinality`
1.9.5
+ Add `min_doc_count=1` to `Aggregate.date_histogram`