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

@@ -1,6 +1,12 @@
 # Changelog
 
+## 0.4.0
+
+* Adding meta to `Document.generate!` and `Document.generate`
+* Fixing the errors extraction to conform to the current API format
+* Adding `Document.fetch` to retrieve a document
+
 ## 0.3.0
 
 * Adding `Document#done?` to check if a document is complete
 
 ## 0.2.0