0.6.2

• warning: renamed various battery registers to conform to inverter and meter naming
  • manufacturer_name becomes c_manufacturer
  • model becomes c_model
  • firmware_version becomes c_version
  • serial_number becomes c_serialnumber
  • device_id becomes c_deviceaddress
  • max_charge_continues_power becomes maximum_charge_continuous_power
  • max_discharge_continues_power becomes maximum_discharge_continuous_power
  • max_charge_peak_power becomes maximum_charge_peak_power
  • max_discharge_peak_power becomes maximum_discharge_peak_power
  • max_temperature becomes maximum_temperature
  • max_energy becomes maximum_energy
  • events_log* becomes event_log*
• added units to battery registers
• per-device word order, fixes incorrect inverter energy_total value
• cleaned up register data types, unimplemented values
• added c_sunspec_did to battery registers
• added c_manufacturer to meter and inverter registers
• added rstrip to string decoding
• updated sunspec DID maps
• added batteryStatus enum and BATTERY_STATUS_MAP
• added connect() and disconnect() functions
• modified connected() function to return result of is_socket_open(), not connected()