[docs] Updated sessioncascade project URL. (#94)

Author: dsoprea

README.md

@@ -64,7 +64,7 @@ Other implementations of the `sessions.Store` interface:
 * [github.com/srinathgs/couchbasestore](https://github.com/srinathgs/couchbasestore) - Couchbase
 * [github.com/denizeren/dynamostore](https://github.com/denizeren/dynamostore) - Dynamodb on AWS
 * [github.com/bradleypeabody/gorilla-sessions-memcache](https://github.com/bradleypeabody/gorilla-sessions-memcache) - Memcache
-* [github.com/dsoprea/goappenginesessioncascade](https://github.com/dsoprea/goappenginesessioncascade) - Memcache/Datastore/Context in AppEngine
+* [github.com/dsoprea/go-appengine-sessioncascade](https://github.com/dsoprea/go-appengine-sessioncascade) - Memcache/Datastore/Context in AppEngine
 * [github.com/kidstuff/mongostore](https://github.com/kidstuff/mongostore) - MongoDB
 * [github.com/srinathgs/mysqlstore](https://github.com/srinathgs/mysqlstore) - MySQL
 * [github.com/antonlindstrom/pgstore](https://github.com/antonlindstrom/pgstore) - PostgreSQL