Allow formatting of slug fields
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Add ||| filter to query part so we can use multiple columns in OR part
Revert "Allow formatting of slug fields"

This reverts commit 0025b7cbd0b63888e055ed85d5117a48302be150.
Merge remote-tracking branch 'upstream/master'
Rework OR part building as suggested in pull request 600, issue 593
Merge pull request #600 from hqmatics/master

Add ||| filter to query part so we can use multiple columns in OR part