loguru: make it possible to disable unsafe signal handling
We need to be able to disable loguru's signal handling, e.g.,
loguru::Options options;
options.verbosity_flag = verbosity_flag;
options.unsafe_signal_handler = false;
We need to be able to disable loguru's signal handling, e.g.,
loguru::Options options;
options.verbosity_flag = verbosity_flag;
options.unsafe_signal_handler = false;