Added Module Session Authentication with Cookies.

Updated Demo example with the Module Session (Authentication with Cookies)
Fixed little issue with SQL query in OpenID module.

modules/oauth20/cms_oauth_20_module.e

@@ -227,7 +227,7 @@ feature -- Hooks
 				until
 					lnk2 /= Void
 				loop
-					if ic.item.location.same_string ("account/roc-logout") then
+					if ic.item.location.same_string ("account/roc-logout") or else ic.item.location.same_string ("basic_auth_logoff")  then
 						lnk2 := ic.item
 					end
 				end