Add setInterval/clearInterval to jsni
Make Control implement IEnumerable
Add OnDetachedFromDom event on Control
Make the add method of HorizontalPanel return itself so you can easily initialize and add children in one expression
Add method to add children elsewhere than the end for VerticalPanel
Add setInterval/clearInterval to jsni
Fix bug in TimeSpan.Hours
Add System.Threading.Timer
Remove asyncMethodBuilderStart variable that wasn't being used