Add watcher thread not to lose conumer-only channels

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
make logging optional

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
v1.2

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>