bugfixing negativ sign and adding ISO C style for limits.h defines#7

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ATM-HSW wants to merge 3 commits intoUberi:masterfrom

ATM-HSW:version1.1.1

Commits on Jul 13, 2020

Commits on Apr 30, 2021

- adding ISO C style for limits defines - bugfixing parsing of negativ int numbers - negativ sign was ignored
ohagendorf
committed