Issue 225

Also need to merge https://github.com/jbeard4/SCION-CORE/tree/issue-225

Closes #225 

Resolving tests:
https://github.com/jbeard4/scxml-test-framework/blob/2.0.0/test/w3c-ecma/test321.txml.scxml
https://github.com/jbeard4/scxml-test-framework/blob/2.0.0/test/w3c-ecma/test322.txml.scxml