Release 3.1

Summer release!

Some people have vacations. We have a new release.

Abacus

• Handle heat recovery calculations.

SMA

• Further support for SMA inverter status items.

Hardware

• We now detect the generation of hardware in the field, and may give hints on devices that need replacement.
• Try harder to establish network connections in case of timeout. Fixes Teltonika offline state.

Submit server

• Migrating to Python3.

Modbus

• Support devices that report IEEE754 floating point data type.
• Add support for Eastron SDM630Modbus Smart Meter.