Dispatch an event on task change
Insert HTML instead of replacing it
Cleanup
Implement ButtonTask::getNext
Implement reset with values for checkbox and radio tasks
Task keys and values are stored as a path
Build in a back button
Simplify change and confirm events
DecisionTree::reset can take a task to start with
Reset on create, add firstTask option
This will eventually work in forms
Tasks are no longer their own forms
Separate out "complete" method