Add missing newlines at the of the header files

Add missing newlines at the of the header files

Update link to the old docs

Merge dev-v3.0

Release v3.0

Yet another readme & badges update

Improve docs (grammar and typos)

Add more tests for RTU and TCP

Add proper 'count' verification, fix potential CWE-835

Add proper 'count' verification, fix potential CWE-835

Fix #16 - invalid register query in request 03 and 04 and fix a misle…

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