Revision control
++ var scion = require('scion');
++
++ scion.pathToModel('require/require.scxml',function(err,model){
++ if(err) throw err;
++
++ var scxml = new scion.SCXML(model);
++ var initialConfig = scxml.start();
++ console.log("initialConfig",initialConfig);
++ var nextConfig = scxml.gen("t");
++ console.log("nextConfig",nextConfig);
++ });