Python Protocol Gateway v1.1.8

IMPORTANT - READ BEFORE UPDATING
this might effect people not using HA Discovery / directly interfacing via mqtt
mqtt availability and /write topics have been changed to include device serial numbers.
4ba8555

What's Changed

• Update EG4.md to include information for Raspberry Pi Can Hat by @Crash-GHaun in #71
• V1.1.8 by @HotNoob in #77

a few small bug fixes:

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tested & fixed / completed modbus tcp implementation
pymodbus compatability \w newer versions of pymodbus
80172b9
e089d94

fix multi mqtt transport support
add serial / id to other mqtt topics
fix canbus via slcan
add hex string data type

New Contributors

• @Crash-GHaun made their first contribution in #71

Full Changelog: v1.1.7...v1.1.8