Prepare for release 1.1.1

Update CHANGELOG.md

CHANGELOG.md

@@ -5,7 +5,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.1.1] - 2019-04-11
+
  * `[fixed]` Rebuild when `sps30_example_usage.c` changed (#30)
+ * `[fixed]` Fix byte-stuffing issues resulting in commands not being accepted
+             by the sensor or values being ignored (#32)
 
 ## [1.1.0] - 2019-03-07
 
@@ -26,7 +30,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  * Initial SHDLC UART release
  * Initial SPS30 release
 
-[Unreleased]: https://github.com/Sensirion/embedded-uart-sps/compare/1.1.0...master
+[Unreleased]: https://github.com/Sensirion/embedded-uart-sps/compare/1.1.1...master
+[1.1.1]: https://github.com/Sensirion/embedded-uart-sps/compare/1.1.0...1.1.1
 [1.1.0]: https://github.com/Sensirion/embedded-uart-sps/compare/1.0.0...1.1.0
 [1.0.0]: https://github.com/Sensirion/embedded-uart-sps/compare/0.9.1...1.0.0
 [0.9.1]: https://github.com/Sensirion/embedded-uart-sps/compare/0.9.0...0.9.1