Basic structure for zone checking.
Implement zone checking with a SHA.
Improve zone server outage handling.
Latest build.
Module name not required as we are not doing code reloading.
Pass in the module name for the Modules argument in case it is necessary.
Remove the erldns_websocket_sup supervisor from the mix to try to track down issue.
Switch some logs from info to debug
Delete the zone on 404s.
Turn off some debugging logs.
Print the whole zone while troubleshooting.
Rescue from zone parse failures.
Latest VSN.
Set the time-out at 60 seconds for now.
It is the gen_server call which is timing out - set to infinity.
Async for put and delete zones.
Put needs to be a call.
Move the zone checker into the same sup as the server processes
so it starts up after loading is done.
Move the web socket to after the zone load has finished.
Handle any websocket_info calls.