10.0.0: First version after refactorings

This is the first new version after forking and refactoring, that's why it is starting from 10.x.

This release includes:

• Various code refactorings
• Configuration environment variable for TLS and certificates
• Compatibility with Python3
• Public IP address added in description of uptime graph
• Compatibility with FritzOS 7.20
• Updated fritzconnection depencency
• Proper error handling
• Added graphs for smart home temperatures