A form that automatically will contain all named widgets.
After a form is created, all named widget that are subsequently created are added
to that form. You may use dict style access to access named widgets.
Form()
Example
f = gui.Form()
w = gui.Input("Phil",name="firstname")
w = gui.Input("Hassey",name="lastname")
print f.results()
print ''
print f.items()
print ''
print f['firstname'].value
print f['lastname'].value