6.4.1.8 20190107
* Change sonoff_template.h layout regarding optional module flags like ADC0
* Add command SetOption62 1 to force no Button/Switch pullup on dedicated modules. Currently only supported on Shelly2 (#4841)
6.4.1.2 20181228
* Change switch driver making it modular and introduce input filter (#4665, #4724)
* Add define DS18B20_INTERNAL_PULLUP to select internal input pullup when only one DS18B20 sensor is connected eliminating external resistor (#4738)
* Add variable %timestamp% to rules (#4749)