old_contents: var Dependument = require('dependument').Dependument;
  
  var d = new Dependument({
    source: ' ',
    output: 'bla.txt'
  });
  
  d.writeOutput();
  
new_contents: var Dependument = require('dependument').Dependument;
  
  var d = new Dependument({
    source: 'package.json',
    output: 'DEPENDENCIES.md'
  });
  
  d.process();
  
subject: Use dependument to read and write