snippet::sip: argument is not duly quoted

Signed-off-by: Gabriel Filion <gabster@lelutin.ca>
snippet::sip: Ensure we have arrays for (dis)allow

since we iterate over those two variables in the template, let's ensure
that they have the correct type.

Signed-off-by: Gabriel Filion <gabster@lelutin.ca>
Manage queues with a new snippet type.

Signed-off-by: Gabriel Filion <gabster@lelutin.ca>