#27: Some fixes to the document model and augmenting of the TextTest
#27: Added the ability to change the mouse's cursor when hovered over an element
Added behaviors mostly for templated widgets
#27: Added selection to the SimpleDocumentModel
#27: Added stub code for text selection behavior
Cleanup
#27: Fixed a couple of bugs with document model
#27: Stubs for text input
#27: A good start on text selection.  It's broken, but I think it's the model code.