Updates to support homebridge-automation

[NorthernMan54]

Have been working thru modernizing the node-red to homebridge integration package - node-red-contrib-homebridge-automation and transitioned to this package for the hap connection.

Changes s/b backwardly compatible with the existing release.

• updated dependencies
• Added refresh of 'values' field when refreshServiceCharacteristics or getCharacteristic is used
• Added new setCharacteristic option, setCharacteristicByType which finds characteristic by type for setting.
• Added new getResource request to retrieve snapshot images from camera's
• Minor tweak to serviceName, and if the name is blank, use the name value from Accessory Information
• Fixed issue of error handler triggering an error when attempting to connect to a homebridge instance that is down
• Added restart of monitor when client connections close
• Added console logging if a logger is not provided