• Update to elasticsearch 1.3.4 #691
• Update the branch alias in composer.json to match the library version #683
• Update license in composer.json to match project #681
• Delete execution permission from non-executable files #677
• Top-level filter parameter in search has been renamed to post_filter #669 #670
• Deprecated: Elastica\Query::setFilter() is deprecated. Use Elastica\Query::setPostFilter() instead. #669
• Deprecated: Elastica\Query::setPostFilter() passing filter as array is deprecated. Pass instance of AbstractFilter instead. #669
• Fixed escaping of / character in Elastica\Util::escapeTerm(), removed usage of JSON_UNESCAPED_SLASHES in Elastica\JSON #660
• Add connection pool and connection strategy #661