make log() thread-safe by dropping the log level map
Concurrently using the std::map LOG_CONFIG
can result in a segmentation fault.
To prevent concurrent access to LOG_CONFIG a new constexpr getLevelFor is introduces analogue to getTagFor.
Concurrently using the std::map LOG_CONFIG
can result in a segmentation fault.
To prevent concurrent access to LOG_CONFIG a new constexpr getLevelFor is introduces analogue to getTagFor.