Update README.rst

README.rst

@@ -47,6 +47,12 @@ Cachier is not:
 * Meant as a transient cache. Python's @lru_cache is better.
 * Especially fast. It is meant to replace function calls that take more than... a second, say (overhead is around 1 millisecond).
 
+Future features:
+~~~~~~~~~~~~~~~~
+
+* S3 core.
+* Multi-core caching.
+
 
 Use
 ---