Add release notes url for Pypi @scop

Add Release notes project URL

Background info at
  https://github.com/pypa/warehouse/pull/7882#issue-412444446

Suppress setgpio log warnings (@jeyrb)

0.0.52

Move gpio test into parser. Remove redundant firmware test, fix linting.

Fix issue with commands containing equals sign.

fixes #38

Various changes, thanks to @scop

Fix #28
Add PEP 561 rflink/py.typed marker
Complete type checks in rflink, make mypy stricter
Declare pycodestyle line length so that autopep8 uses it too
Set target Python versions for black
Make response packet handler abstract, impl in CommandSerialization
Fix ProtocolBase.handle_raw_packet raw_packet signature type
Always return a bool from send_command_ack
Lint on Travis
Parse generic messages from gateway
Remain compatible with python3.4
Test proxy cli command as well.
Run typing tests on Travis
mypy fixes
Update tox typing env
Use fnmatch for more flexible ignore matching
Drop dead code
Fix setuptools warning about trailing newline in version

Various spelling and formatting fixes + py38 testing, thanks to @scop

0.0.49

Conform linting to Black, add fix command

Add QRFDEBUG response to `valid_packet` by @javicalle

Add the QRFDEBUG response to the `valid_packet` function.

Correct RFUDEBUG and add QRFDEBUG packet by @javicalle

Small PR to correct an typo with RFUDEBUG and add the QRFDEBUG 'protocol'.

Maybe also PING protocol can be added here.

May it be necessary to control the response in the `decode_packet` function?

Fix syntax errors in readme

0.0.46

fix errors in readme

Error handling incoming data decode

Adds error handling so issues with invalid incoming data can be better diagnosed.

home-assistant/core#23942

Test build failures

0.0.44

Fix deploy fail, update python3 versions