Added note about memory leak (Fixes #15)

This is something fairly important, it shouldn't be left out of the documentation.

1 files changed, 6 insertions, 0 deletions

diff --git a/doc.go b/doc.go
index c8eb758..feeddd0 100644
--- a/doc.go
+++ b/doc.go
@@ -48,6 +48,12 @@ And finally we call session.Save() to save the session in the response.
 Note that in production code, we should check for errors when calling
 session.Save(r, w), and either display an error message or otherwise handle it.
 
+Important Note: If you aren't using gorilla.Mux, you need to use
+context.ClearHandler as your handler on ListenAndServe else you will leak memory!
+The ClearHandler function is provided by the gorilla/context package.
+
+    http.ListenAndServe(":8080", context.ClearHandler(http.DefaultServeMux))
+
 That's all you need to know for the basic usage. Let's take a look at other
 options, starting with flash messages.