Aiolifx

PR from bdraco and Djelibeybi thank you.
Removed deprecation warning from console script
ran black on sources

Improved way to report support for HEV. A few improvement in the aiolifx script, mostly error handling.

Thanks to Djelibeybi for his PR

Solved issue 46

Thanks to Anders Melchiorsen for the PR.


Breaking change: type of self.host_firmware_version changes from float to string.