Built in Help and Version output goes to stderr not stdout.

The built in --help and --version outputs are printed to stderr instead of stdout, you have to redirect them to use the commands properly.

`test --version` returns the version number, but on stderr not stdout.

e.g.
`test --version 2>nul` returns no output.
`test --version 2>&1` prints the version to stdout as expected.

Reproduce the issue with `test --version` and the equivalent `--help` command, checking stdout and stderr separately. Trace the built-in output handling from the command-line entry point, then add regression coverage showing both outputs go to stdout and remain usable without redirection.

Written by the indexing model from the issue text.