PHP Fatal error in DebugContext.php

[zhangwei]

Throw a PHP Fatal error...

PHP Fatal error:  Call to a member function getSteps() on null in /Users/<name>/src/github.com/Behatch/contexts/src/Context/DebugContext.php on line 100

Fatal error: Call to a member function getSteps() on null in /Users/<name>/src/github.com/Behatch/contexts/src/Context/DebugContext.php on line 100

[sanpii]

PR #162 merged.