make multiuser_notebook a package

multiuser_notebook/headers.py

@@ -0,0 +1,16 @@
+import json
+
+from tornado import web
+from tornado.escape import xhtml_escape
+
+class HeadersHandler(web.RequestHandler):
+    def get(self):
+        headers = {}
+        for key, value in self.request.headers.items():
+            if ';' in value:
+                value = [ s.strip() for s in value.split(';') ]
+            headers[key] = value
+        self.write("<pre>%s</pre>" % (
+            xhtml_escape(json.dumps(headers, indent=1))
+        ))
+