code: function generateAuthToken(bytes, callback) {
  		crypto.randomBytes(bytes, function(err, randomBytes) {
  			if(err) {
  				return callback(err);
  			}
  			callback(null, randomBytes.toString('hex'));
  		});
  	}
docs: Generates an auth token of the given number of bytes
  @param {number} bytes The number of bytes in length to make the token
  @param {fn} callback The callback to be called with the new auth token
  @since 18.0