Also try the `version` sub-command #12

Some binaries, like $ openssl, show the version using a sub-command $ openssl version instead of a flag like $ curl --version. If no arguments are given, it would be useful to first try foo --version and then foo version.

We should also hard-code a list of common binaries that use the version sub-command, so we try that first for those. For improved performance. Binaries like, openssl, swiftlint, etc.