releaser 
a minimalism style version-maker
How to install
$ npm install releaser
Usage
Sample code
var releaser = require('releaser');
// init instcance
var version = new releaser({
devider: '.'
});
// update version
var newVesion = version.up(); // up to 0.0.1
// version detail
console.log(version);
// details look like:
{
created: [Date],
number: 2,
version: '0.0.1',
divider: '.'
}Run unit-test (Mocha)
$ git clone https://github.com/turingou/releaser.git
$ cd releaser
$ npm install
$ npm test