Updated required elasticsearch Version
Updated required elasticsearch Version
test Util::escapeTerm() in a query
Fixed escaping of / in escapeTerm, removed unneeded JSON_UNESCAPED_SLASHES
Merge pull request #668 from kostiklv/escaping-fix

Fix escaping of /
Merge pull request #667 from OskarStark/master

Updated required elasticsearch Version
post_filter and filter are now the same

resolves #669
Merge pull request #670 from krzaczek/issue-669

post_filter and filter are now the same
Add missing changes.txt for #670
fix for Query\PostFilterTest - do not pass array to Query::setPostFilter()
Merge pull request #671 from krzaczek/issue-669

Issue 669