https missing from request dict

If you do not have the https set in the request dict, when auth.login is called it will not build the relaystate url properly if your relaystate url should be https.

Author: Michael Robellard

README.md

@@ -543,6 +543,7 @@ This parameter has the following scheme:
 
 ```javascript
 req = {
+    "https": ""  
     "http_host": "",
     "script_name": "",
     "server_port": "",
@@ -574,7 +575,7 @@ def prepare_from_flask_request(request):
         'post_data': request.form.copy()
     }
 ```
-
+The https dictionary entry should be set to on for https requests and off for http
 
 #### Initiate SSO ####