Python Protocol Gateway v1.1.2

What's Changed

• V1.1.2 by @HotNoob in #37

new features:

• select port by hardware ids. see wiki: https://github.com/HotNoob/PythonProtocolGateway/wiki/Transports#port
• added variable_screen.txt feature
• added "custom" transports ( just like custom protocols, put the word custom in it to keep them safe from updates ), see wiki: https://github.com/HotNoob/PythonProtocolGateway/wiki/Transports#custom-transport

new protocol:

• added srne_v3.9 porotocol

• small bug fixes

• mqtt max_precision reimplemented

• default settings for eg4_v58 protocol

• cleaned eg4_58 holding map a bit

• added signed bit types, and signed manitude bit types

• added alternative hex format ( 0x, instead of just x) for csv config

still much more on the list to implement!

Full Changelog: v1.1.1...v1.1.2