6.2.1.16 20181015 * Add TasmotaModbus library for very basic modbus wrapper for TasmotaSerial * Change xsns_17_senseair.ino to use TasmotaModbus library * Fix xnrg_05_pzem2.ino for PZEM-014/016 support using TasmotaModbus library (#3694)