Updated CHANGELOG

CHANGELOG.md

@@ -1,8 +1,14 @@
 
 ## [Working Changes](https://github.com/sierrasoftworks/iridium)
+- [431bb0b](https://github.com/sierrasoftworks/iridium/commit/431bb0b) Version 5.9.0
+- [5f326fd](https://github.com/sierrasoftworks/iridium/commit/5f326fd) Clean up the references.d.ts file before bumping the version
+- [445ebb6](https://github.com/sierrasoftworks/iridium/commit/445ebb6) Added support and tests for the MongoDB aggregate operation
+- [f5926ce](https://github.com/sierrasoftworks/iridium/commit/f5926ce) (origin/master, origin/HEAD) Updated CHANGELOG
+
+## [v5.8.0](https://github.com/sierrasoftworks/iridium/tree/v5.8.0)
 - [ab6904e](https://github.com/sierrasoftworks/iridium/commit/ab6904e) Version 5.8.0
 - [625397d](https://github.com/sierrasoftworks/iridium/commit/625397d) Added support and tests for a toObjectID helper method
-- [4ebd33d](https://github.com/sierrasoftworks/iridium/commit/4ebd33d) (origin/master, origin/HEAD) Updated CHANGELOG
+- [4ebd33d](https://github.com/sierrasoftworks/iridium/commit/4ebd33d) Updated CHANGELOG
 
 ## [v5.7.5](https://github.com/sierrasoftworks/iridium/tree/v5.7.5)
 - [b5cb543](https://github.com/sierrasoftworks/iridium/commit/b5cb543) Version 5.7.5