CHANGELOG.md in boom-0.3.0 vs CHANGELOG.md in boom-0.4.0

@@ -1,7 +1,13 @@
 # boom changes
 ## head
 
+## 0.4.0
+- Returns an error if you try to `open` something that doesn't exist.
+  ([@romainberger](https://github.com/romainberger), #90).
+- Removes `--delete` in favor of going to `boom delete x`
+  ([@eugeneius](https://github.com/holman/boom/pull/89), #89).
+
 ## 0.3.0
 - 0.3 removes all the Storage nonsense in favor of clean and easy JSON. Less
   code is best code.
 - It also removes all the Ruby tests and instead does them in shell with roundup.
 - It also changes delete to use `--delete` so there's conceptually less of a