importScripts - Loading code into the module.
function (script) {
    var file, name;
    try {
      //TODO: enforce constrained location of loaded files.
      if (script.indexOf('node://') === 0) {
        name = script.substr(7);
      }
      file = fs.readFileSync(name);
      vm.runInContext(file, freedomVM, name);
    } catch (e) {
      console.error(e);
      process.exit(1);
    }
  }