Whitespace.
Add WriteCount and ReadCount functions -- slightly enhanced over what was used in stream.
Update ZYad_JSONB to use ChanW_Bin.
USe JSONB to communicate.
Not used. Something similar will be needed at some point for persistence.
I got a null event a couple of times -- assert validity to try and flush it out (may have been a skewed build, as I didn't want to do a full rebuild on rpi).