spencercarnage/require.js is loading the data-main script twice

## require.js is loading the data-main script twice
<!DOCTYPE doctype 5>
<html>
  <head>
    <meta charset="utf-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
    <title></title>
    <meta name="description" content=""/>
    <meta name="viewport" content="width=device-width,initial-scale=1"/>
    <script data-main="js/test" src="/js/libs/require-2.1.4.js"></script>
  </head>
  <body>
  </body>
</html>


// test.js
require(['test1'], function (Test1) {
  new Test1();
  console.log('test loaded');
});

// test1.js
define(function () {
  return function () {
    console.log('test 1 loaded');
  }
});
	<!DOCTYPE doctype 5>
	<html>
	<head>
	<meta charset="utf-8"/>
	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
	<title></title>
	<meta name="description" content=""/>
	<meta name="viewport" content="width=device-width,initial-scale=1"/>
	<script data-main="js/test" src="/js/libs/require-2.1.4.js"></script>
	</head>
	<body>
	</body>
	</html>


	// test.js
	require(['test1'], function (Test1) {
	new Test1();
	console.log('test loaded');
	});

	// test1.js
	define(function () {
	return function () {
	console.log('test 1 loaded');
	}
	});