'Send the current client to stack n, where n is an integer offset.  If
is too large or less than 0, it is wrapped modulo the number of stacks.'

def cmd_client_to_stack(self, n):

    if (not self.currentStack):
        return
    next = (n % len(self.stacks))
    win = self.currentStack.cw
    self.currentStack.remove(win)
    self.stacks[next].add(win)
    self.stacks[next].focus(win)
    self.group.layoutAll()
