use mbc-common >1.x's pubsub driver

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
return a CaspaDriver object

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
keep the mubsub syntax

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
this has various channels

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
add publishStatus-specific method

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
null is better than 0 in this context

Signed-off-by: Tomas Neme <lacrymology@gmail.com>