Tweak qr{}, "fix" broken syntax highlight

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Extract wait_one_response() from wait_all_responses()

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Update Changes for 1.961

Signed-off-by: Pedro Melo <melo@simplicidade.org>
v1.961

    * Add wait_one_response() for better pipeline management