Update to Brython 3.3.0

bower.json

@@ -23,6 +23,6 @@
     "ace": "git://github.com/ajaxorg/ace-builds.git#^1.2.3",
     "pythonauto": "https://github.com/csev/pythonauto.git",
     "html5shiv": "^3.7.3",
-    "Brython3.2.7-20160621-184325.tar": "https://github.com/brython-dev/brython/releases/download/3.2.7/Brython3.2.7-20160621-184325.tar.gz"
+    "Brython-3.3.0.tar": "https://github.com/brython-dev/brython/releases/download/3.3.0/Brython-3.3.0.tar.gz"
   }
 }

index.php

@@ -14,7 +14,8 @@ require_once("bower_components/pythonauto/util/lti_util.php");
     <![endif]-->
     <script type="text/javascript" src="bower_components/jquery/dist/jquery.min.js"></script>
     <script type="text/javascript" src="bower_components/bootstrap/dist/js/bootstrap.min.js"></script>
-    <script type="text/javascript" src="bower_components/Brython3.2.7-20160621-184325.tar/brython.js"></script>
+    <script type="text/javascript" src="bower_components/Brython3.3.0.tar/brython.js"></script>
+    <script type="text/javascript" src="bower_components/Brython3.3.0.tar/brython_stdlib.js"></script>
     <script type="text/javascript" src="bower_components/ace/src-min-noconflict/ace.js"></script>
     <script type="text/javascript">
       exercise_id = <?php echo isset($_REQUEST["exercise_id"]) ? $_REQUEST["exercise_id"] : 0; ?>;