Document --server option in __doc__.
Document --server option in __doc__.

hippyvm/hippyvm,hippyvm/hippyvm,hippyvm/hippyvm,xhava/hippyvm,xhava/hippyvm,xhava/hippyvm,hippyvm/hippyvm,hippyvm/hippyvm,hippyvm/hippyvm,xhava/hippyvm,hippyvm/hippyvm,xhava/hippyvm,xhava/hippyvm,xhava/hippyvm