Update changelog

CHANGELOG.md

@@ -4,6 +4,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [1.1.1] - 2022-09-21
+### Changed
+- Fixed problems from code inspection
+
+## [1.1.0] - 2022-09-09
+### Changed
+- Make some parameters non-required
+- Improve purposeCode setter
+- Add note regarding OCR bug when testing
+- Make amount parameter nullable, add nullable test placeholder
+- Made not required parameters nullable, allowed method chaining with setters
+- Made some other parameters nullable, added support for multiple file types (.svg, .png, .eps)
+- Other minor code improvements
+
 ## [1.0.0] - 2022-07-01
 ### Added
 - Initial library implementation