Update CHANGELOG

Author: motdotla

CHANGELOG.md

@@ -2,7 +2,19 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
-## [Unreleased](https://github.com/dotenv-org/python-dotenv-vault/compare/v0.1.0...master)
+## [Unreleased](https://github.com/dotenv-org/python-dotenv-vault/compare/v0.2.0...master)
+
+## 0.2.0
+
+### Added
+
+- Added comma separated capability to `DOTENV_KEY`. Add multiple keys to your DOTENV_KEY for use with decryption. Separate with a comma.
+
+## 0.1.1
+
+### Added
+
+- Added support for handling any environment
 
 ## 0.1.0