update changelog

Author: icebob

CHANGELOG.md

@@ -1,4 +1,30 @@
 --------------------------------------------------
+<a name="0.6.7"></a>
+# 0.6.7 (2018-05-29)
+
+## Changes
+- supports multiple object validators [#22](https://github.com/icebob/fastest-validator/issues/22) by [@mauricedoepke](https://github.com/mauricedoepke)
+    ```js
+    const schema = {
+        list: [
+            { 
+                type: "object",
+                props: {
+                    name: {type: "string"},
+                    age: {type: "number"},
+                } 
+            },
+            { 
+                type: "object",
+                props: {
+                    country: {type: "string"},
+                    code: {type: "string"},
+                } 
+            }
+        ]
+    };
+    ```
+--------------------------------------------------
 <a name="0.6.6"></a>
 # 0.6.6 (2018-04-04)