make utility executables exit with error code 0 when running --help #1001
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It can be difficult to determine that all linking has been done correctly in a build environment by just looking at the generated libraries. A common pattern I've been seeing (e.g. on homebrew, conda, etc) is to run
my-executable --helpwhich seems to be expected to not have an error exit code. A quick survey of CLIs on my box confirms this pattern >50% of the time, so I propose we use it here. This is also the behavior of thesurelogcommand.