lib/util.sh: verbose output: added inc_log_level, dec_log_level aliases which manipulate $verbosity. note that changes in $log_level are now instead indicated by moving $verbosity in the opposite direction.
lib/util.sh: verbose output: added inc_log_level, dec_log_level aliases which manipulate $verbosity. note that changes in $log_level are now instead indicated by moving $verbosity in the opposite direction.