Update CHANGELOG.md

Author: DaneEveritt

CHANGELOG.md

@@ -3,6 +3,16 @@ This file is a running track of new features and fixes to each version of the pa
 
 This project follows [Semantic Versioning](http://semver.org) guidelines.
 
+## v1.0.3
+### Fixed
+* Fixes bug causing subusers to not be creatable or editable via the frontend for servers.
+* Fixes system timezone not being passed along properly to the MySQL connection causing scheduled tasks to run every minute when the MySQL instance and Panel timezone did not line up.
+* Fixes listing servers owned by a user in the admin area to actually list their servers.
+
+### Changed
+* Adds SameSite `lax` attribute for cookies generated by the Panel.
+* Adds better filtering for searching servers in the admin area to better key off name, uuid, or owner username/email.
+
 ## v1.0.2
 ### Added
 * Adds support for searching inside the file editor.