isaacs/node-semver — pull request #14 by mal (2012-11-28 21:33:40+00:00)
Title: CLI Tool - Call fail on no valid versions

Return status code 1 even when no valid versions are passed. Allows the semver binary to be used for quick validation checking in shell scripts.

Example:
```sh
$ semver -v abc1.2.3 ; echo $? #=> 1
```