Comment 5 for bug 1436180

This is one is an even better approach. However, making the GTK label automatically fit the contents after a resize apparently needs some sort of hack, since it doesn't just work.
 http://stackoverflow.com/questions/1893748/pygtk-dynamic-label-wrapping
So I think I will just leave it as is. Let me know if there are any problems, otherwise I will push the changes on Wednesday.