CHANGELOG.md in dxopal-1.1.0 vs CHANGELOG.md in dxopal-1.2.0

@@ -1,4 +1,17 @@
+## v1.2.0 (2018-05-16)
+
+- new: Support shift/ctrl key 
+- new: Added some opal stdlibs
+  - singleton
+  - delegate, forwardable
+  - promise
+  - set
+  - time
+  - ([Let me know](https://github.com/yhara/dxopal/issues/) if you need some more)
+- new: Sound#stop
+- fix: `z` for draw_xx did not work correctly
+
 ## v1.1.0 (2018-02-05)
 
 ### Breaking change: matter.js is split from dxopal.js
 
 To use `DXOpal::Sprite::Physics`, you need to load matter.js explicitly.