Block on stopSession
Split CSTA into Session/Agent modules

Remove old example, see csta-test instead now
Report agent state in events

Broadcasting client event chan no more consists of plain CSTA events
Case-insensitive DeviceId

From DMCC spec:

«where the first DeviceID may have been obtained from a “GetDeviceId”
request, while the second DeviceID may have been obtained from an event.
Always perform case-insensitive string comparisons when comparing
DeviceIDs that contain a switchName.»