Add features on Home Assistant Script

[morenod]

Bugfixes:

• Allow home assistant instances on different port than 8123
• allow home assistant instances with SSL access (SSL connections verified or not)
• capture exceptions on getting data from i2c bus
• entities (states) are created under the "sensor" integration, to allow Home Assistant to gauge them

Functionalities:

• entities grouped under the same unique_id
• use logging module instead of print to allow logging level selection and logging on journal when daemonized

[metriful]

Thanks, we will review and consider for the next release.