Phil Dawson authored Jun 20, 2018 and Tristan Van Berkom committed Aug 14, 2018

Add test to ensure gracefull handling of exception thrown while loading
a pipeline due the python's max recursion depth being exceeded.

This is part of the work for issue #203

Phil Dawson authored Jun 22, 2018 and Tristan Van Berkom committed Aug 14, 2018

Because the RecursionError exception was introduced in Python 3.5, until we
drop support for for Python 3.4, we must use RuntimeError.

203 build stream crashes when dependency tree too deep

See merge request !654