Should the HX711 class try to keep the chip's state?

[endail]

hx711/include/HX711.h

Lines 83 to 86 in 42d6305

	const Rate _rate;
	std::mutex _commLock;
	Channel _channel;
	Gain _gain;

Perhaps leave it up to the consuming app to decide?

[endail]

Gain needs to be maintained to be able to properly set input gain selection when a read takes place.