Merge branch 'hotfix/52' into develop

Forward port #52

Author: weierophinney

CHANGELOG.md

@@ -36,7 +36,9 @@ All notable changes to this project will be documented in this file, in reverse
 
 ### Fixed
 
-- Nothing.
+- [#52](https://github.com/zfcampus/zf-api-problem/pull/52) updates the
+  `ApiProblemListener` to check for either exceptions or PHP 7 `Throwable`
+  instances when creating an `ApiProblem`.
 
 ## 1.2.2 - 2016-10-11