CHANGELOG.md in faml-0.7.1 vs CHANGELOG.md in faml-0.7.2

@@ -1,5 +1,10 @@
+## 0.7.2 (2015-12-13)
+- Improve AttributeBuilder performance
+    - Replace std::ostringstream with std::string
+- Fix compile error in some platforms
+
 ## 0.7.1 (2015-12-04)
 - Fix compiler options for old compilers
 
 ## 0.7.0 (2015-11-30)
 - Rewrite AttributeBuilder in C++
@@ -16,10 +21,10 @@
 ## 0.6.4 (2015-11-28)
 - Flatten `id` and `class` attributes
     - https://github.com/eagletmt/faml/pull/41
 
 ## 0.6.3 (2015-11-22)
-- Remove duplicated class in Ruby attribute case
+- Remove duplicated class in runtime attribute case
     - `%span.foo{h}` where `h = { class: 'foo bar' }` now renders `<span class='bar foo'></span>` .
     - `%span.foo{class: 'foo bar'}` renders `<span class='bar foo'></span>` since v0.2.12 .
 
 ## 0.6.2 (2015-11-22)
 - Fix data-id and data-class attribute