3.6.0 DPT helpers and timezone

Devices

• Datetime: Accept datetime.tzinfo for timezone argument to send time information for specific timezone. Boolean works like before: If True use system localtime. If False an arbitrary time can be sent.

DPT

• Add DPTBase.dpt_number_str and DPTBase.dpt_name classmethods for human readable DPT number (eg. "9.001") and class name (eg. "DPTTemperature (9.001)").
• Add DPTBase.get_dpt classmethod to get a DPT class by its number, name or DPTBase type.

Internal

• Collect group addresses with decoding errors at eager decoder in xknx.group_address_dpt.ga_decoding_error set.