lib/sh/util.sh: log++: before cmd: documented how to use it as `log+ #` when incrementing multiple log_levels at once (this is a better method than `"log++" "log++" ...`)
lib/sh/util.sh: log++: before cmd: documented how to use it as `log+ #` when incrementing multiple log_levels at once (this is a better method than `"log++" "log++" ...`)