zendframework/zf2 — pull request #6849 by Pittiplatsch (2014-11-06 11:21:55+00:00)
Title: Db/Sql/Predicate/Expression: Fix method argument handling

* Fix method argument handling of Predicate/Expression to allow single non-scalar values (e.g. null, Predicate instances) as only parameter
* Fix typo in Predicate/Predicate