code: public final void send(String namespace, Request request) throws IOException {
          send(namespace, request, null);
      }
docs: <p>Sends some generic request to the currently running application.
  No response is expected as a result of this call.</p>
  
  <p>If no application is running at the moment then exception is thrown.</p>
  
  @param namespace     request namespace
  @param request       request object
  @throws IOException