text: 
  var LineReader = require('./index');
  
  var reader = new LineReader('LICENSE.txt');
  
  function slowReader() {
      setTimeout(function() {
          reader.nextLine(function (err, line) {
              if (line !== null) {
                  console.log(line);
                  slowReader();
              }
          });
      }, 100);
  }
  
  slowReader();