* updated c++11 to c++17
* more about c++11 and updating readme
* updated documentation for receiver arguments and also making receiver constructor explicit
* minor fix for rxr err message
* fixed doc about gcc version
* bumped pybind11 version and added setuptools on host
* updated pybind11 tarball to 2.13 and in cmakefile to get 2.13 frpm github, also updated documentation about pybind 2.13
* updated client versioing, doc
* updating readme
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Co-authored-by: Dhanya Thattil <dhanya.thattil@psi.ch>