Fixed bytecode cache and added support for memcached (tests still missing)

--HG--
branch : trunk
diff --git a/docs/api.rst b/docs/api.rst
index b939eaa..ef53321 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -436,6 +436,8 @@
 
 .. autoclass:: jinja2.FileSystemBytecodeCache
 
+.. autoclass:: jinja2.MemcachedBytecodeCache
+
 
 Utilities
 ---------