Update CHANGELOG

Author: bouwew

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## ONGOING
 
+- Fix for [#293](https://github.com/plugwise/plugwise_usb-beta/issues/293) via PR [299](https://github.com/plugwise/python-plugwise-usb/pull/299)
 - Fix for [#291](https://github.com/plugwise/plugwise_usb-beta/issues/291) via PR [297](https://github.com/plugwise/python-plugwise-usb/pull/297)
 - PR [295](https://github.com/plugwise/python-plugwise-usb/pull/295): Streamline of loading function, to allow nodes to load even if temporarily offline, especially for SED nodes.