updated CHANGELOG

CHANGELOG.md

@@ -20,6 +20,7 @@ and since Bareos version 20 this project adheres to [Semantic Versioning](https:
 - Build the package **bareos-filedaemon-postgresql-python-plugin** also for Debian, Ubuntu and UCS (deb packages) [PR #723].
 - added an informative debugmessage when a dynamic backend cannot be loaded [PR #740]
 - support for shorter date formats, where shorter dates are compensated with lowest value possible to make a full date [PR #707]
+- added multicolumn prompt selection for selection of more than 20 items [PR #731]
 
 ### Changed
 - Fixed broken link in https://docs.bareos.org/IntroductionAndTutorial/WhatIsBareos.html documentation page