Hi,

Since 1.3.7, event.source.itemScope is undefined when accessed in orderChanged and itemMoved.

The change 29b56a1 motivated by #93 is the cause of this issue.

In my case, I want to get the model value:

orderChanged: function(event) {
    var model = event.source.itemScope.modelValue;
    // ...
},

And here is what I get:

angular.js:13920 TypeError: Cannot read property 'modelValue' of undefined

I don't think I'm doing anything special but I am surprised that this issue hasn't be raised yet. Please tell me if you can't reproduce it.