Adding example using secure cookies

examples/http_secure_cookie_support.py

@@ -0,0 +1,16 @@
+# -*- coding: utf-8 *-*
+from itty import *
+
+@get('/receive')
+def receive_cookies(request):
+    response = Response(str(request.get_secure_cookie('foo')),
+                        content_type='text/plain')
+    return response
+
+@get('/send')
+def response_cookies(request):
+    response = Response('Check your cookies.')
+    response.set_secure_cookie('foo', 'bar')
+    return response
+
+run_itty(cookie_secret='MySeCrEtCoOkIe')