Trace-listener prints device logs on 'Debug' pane
Added more helper methods to combine arrays
Introduced prototype of slog2info monitor

It is now possible to monitor all the logs across the entire device.
Enabled full slog2info capture on connection

Some filtering still needs to be applied, but at least it shows the power.
And there is one not-so-obvious limitation. Since logs are delivered from
two sources, they sometimes are not 'mixed' as the developer would expect,
for example: put fprintf() around bps_initialize() won't generate
correctly.