Add support for Shelly Plus Plug S

Add TRV, fix problem with total_consumption 2,5 cover mode, mqtt fix

Merge branch 'master' of github.com:StyraHem/pyShelly

0.3.5 - Fix Voltage and bug when mDns return no adresses

0.3.3, fix mDns discovery, switch input pro/plus

Add unique ID fror ws messages

Small fixes

Add support for Shelly Pro 4PM, Shelly Plus 1/1PM over MQTT or HTTP/W…

…ebSocket

Fix to add Shelly 2/2.5/RGBW2 quicker after HA restart. Fix name of S…

…helly Vintage.