Updated README
diff --git a/README.md b/README.md
index 782761d..d1afbe6 100644
--- a/README.md
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@@ -44,6 +44,11 @@
 History
 -------
 
+v1.4.0, 23 Sep 2014
+-------------------
+ * Added Keys() to get the keys
+ * Added Filter(), FilterRegexp() and FilterPrefix() to get a subset of the properties
+
 v1.3.0, 18 Mar 2014
 -------------------
 * Added support for time.Duration