Bug fixes:
- Fix KeyError when "chnBit" not present in Encoding
- Wait 7.5 seconds before retry when getting a ConnectionError within 60 sec of disabeling privacy mode
- Add channel_online_check based on GetChnTypeInfo succes
Optimizations:
- Send baichuan fallback attempt concurently
- Do not get_states for offline cameras
- Set global 3*TIMEOUT for get_host and get_states
Full Changelog: 0.16.4...0.16.5