def status( update_to = nil )
      resp = send_recv( KJess::Request::Status.new( :update_to => update_to ) )
      raise KJess::ProtocolError, "Status command is not supported" if KJess::Response::ClientError === resp
      return resp.message
    end
def status( update_to = nil )
      resp = send_recv( KJess::Request::Status.new( :update_to => update_to ) )
      raise KJess::ProtocolError, "Status command is not supported" if KJess::Response::ClientError === resp
      return resp.message
    end
Public: Return the server status.

 Currently this is only supported in the HEAD versin of kestrel. Version
 where this is not available will raise ServerError.

 Returns a String.