initial attribute processing only supports a single state id

[mattoshry]

Per 3.2 and 3.2.1 of scxml, the initial attribute is an IDREFS - one of more state ids.

The code that traverses the document, detects initial attributes and connects them to a state [2], assumes the value is a single state id.

[1] https://www.w3.org/TR/scxml/#scxml
[2]

SCION-CORE/lib/scion.js

Line 218 in 07e2a1e

function connectIntialAttributes(){

[jbeard4]

@mattoshry Should be fixed in latest release (4.3.1). Please give it a try. Thanks.