Refactory 2020 logging
https://gitlab.ikp.kit.edu/AirShowerPhysics/corsika/-/wikis/Refactory2020
Please check and merge all changes since 4d1baa1d in
./Framework/Logging/Logging.h RP
Edited by Remy Prechelt
IAP GITLAB
https://gitlab.ikp.kit.edu/AirShowerPhysics/corsika/-/wikis/Refactory2020
Please check and merge all changes since 4d1baa1d in
./Framework/Logging/Logging.h RP