Version: 0.0.00.0.10.0.20.0.30.1.00.1.10.1.20.1.30.1.40.1.50.1.60.1.70.1.80.1.9
Versioning is an important part of npm.
npm expects {bold}semantic versioning{/bold} for packages.
I won't go into details of semver here, but you can read more at {underline}http://semver.org/{/underline}