[LIB_HUBZERO] Make sure error status code is a valid response code. If not, default to 500.
[LIB_HUBZERO] Make sure error status code is a valid response code. If not, default to 500.

anthonyfuentes/hubzero-cms,zooley/hubzero-cms,zooley/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zweidner/hubzero-cms,anthonyfuentes/hubzero-cms,zweidner/hubzero-cms