Find a way to catch internal ChatExchange exceptions

[quartata]

Currently excepthook is in place on on_msg threads and the WS thread, but if an exception is thrown in ChatExchange internally (such as the dreaded and random ValueError: invalid literal for int() with base 10: 'users') we won't catch that since it's on a different thread.

[teward]

This would need a separate handler inside ChatExchange - we could fork our own, but it may be better to have a generic try/catch in ws.py that captures any subthread errors. We don't have global try/catch right now because it hides other errors we might want to catch, but if we can find what lines in standard Smokey call that in CE we might be able to suppress - the problem is that doesn't fix the issue long term and would still cause potential issues elsewhere.

[teward]

note I refer to ws.py and I mean the equivalent here in NG.

[quartata]

Global try/catch wouldn't work since it's in another thread (an internal CE worker). (Otherwise daemon would already take care of it)