text: var series = require('./')({
    // this is a function that will be called
    // when a series completes
    released: completed,
  
    // we want results and errors
    // passing false will make it faster!
    results: true
  })
  
  series(
    {}, // what will be this in the functions
    [something, something, something], // functions to call
    42, // the first argument of the functions
    next // the function to be called when the series ends
  )
  
  function late (arg, cb) {
    console.log('finishing', arg)
    cb(null, 'myresult-' + arg)
  }
  
  function something (arg, cb) {
    setTimeout(late, 1000, arg, cb)
  }
  
  function next (err, results) {
    if (err) {
      // do something here!
    }
    console.log('series completed, results:', results)
  
    series({}, something, [1, 2, 3], done)
  }
  
  function done (err, results) {
    if (err) {
      // do something here!
    }
    console.log('series completed, results:', results)
  }
  
  function completed () {
    console.log('series completed!')
  }
  