Owl_logSourceLog module provides logging functionality.
This function sets the global logging level. Low level logging will be omitted.
This function sets the channel for the logging output. The default one is the standard output.
set_color true turns on the colour; set_color false turns it off.
This function outputs log at DEBUG level.
This function outputs log at INFO level.
This function outputs log at WARN level.
This function outputs log at ERROR level.
This function outputs log at FATAL level.