Hi,
i'm currently working on an update to 0.16 but my skills are not that big.
I managed to add the circuit connectors but added two new issues here:
https://forums.factorio.com/viewtopic.php?f=7&t=54779
https://forums.factorio.com/viewtopic.php?f=7&t=54772
I'll add the forum thread to the new version info.
So long you can find it here: https://forums.factorio.com/viewtopic.php?f=93&t=26937
Greetings, steinio.