A simple pub/sub implementation as an express middleware.
###Simple Example
var express = require('express');
var bodyParser = require('body-parser');
var bh = require('bar-hero');
var app = express();
app.use(bodyParser());
var hero = new bh();
hero.addSubscriber(function(data) {
console.log(data);
});
app.use('/test', hero.listen());
app.listen(3000);