Added error check to SCXML.SimpleInterpreter.gen so that it would break on recursive calls.
Added error check to SCXML.SimpleInterpreter.gen so that it would break on recursive calls.

jbeard4/SCION,mattoshry/SCION-CORE,mattoshry/SCION-CORE,mattoshry/SCION,mattoshry/SCION-CORE,mattoshry/SCION,jbeard4/SCION-CORE,mattoshry/SCION-CORE,mattoshry/SCION,jbeard4/SCION,jbeard4/SCION,mattoshry/SCION-CORE