From 351edac47311f035d5f28b72953a1510badc68e3 Mon Sep 17 00:00:00 2001
From: Felipe Lessa <felipe.lessa@gmail.com>
Date: Tue, 26 May 2015 00:58:20 -0300
Subject: [PATCH] Add "Limitations" to main README.

---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/README.md b/README.md
index 2fa9472..6537acb 100644
--- a/README.md
+++ b/README.md
@@ -84,6 +84,18 @@ Any authentication mechanism is supported as long as it uses a
 session variable.
 
 
+## Current limitations
+
+These limitations may be addressed in the future.  Right now,
+though, please bear in mind that:
+
+  * There's no support for cleaning old sessions from the storage
+    backends.
+
+  * There's no way of setting timeouts and cookie persistence on
+    a per-session basis, only a global basis.
+
+
 ## Background
 
 Yesod has always support client-side sessions via the