Updated Changelog for a v1.1.1 release

Author: benjamin-maynard

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v1.1.1] - 16-12-2018
+### Fix issue with Slack Alerts
+- Fixed issue with failed Slack alerts when log messages contained special characters
+- Fixed /bin/ash error when evaluating if the log files are empty or not
+- Fixed an error message about the log file not existing when the backup runs successfully
+- Suppressed CURL output for Slack alerts
+
 ## [v1.1.0] - 15-12-2018
 ### Slack Integration & Error Handling
 - Added Slack Integration