doc : CHANGELOG updated #35

Author: sepandhaghighi

CHANGELOG.md

@@ -5,6 +5,8 @@ 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).
 
 ## [Unreleased]
+### Added
+- `network_control`, `network_enable` and `network_disable` functions
 ### Changed
 - `sync` parameter added to `wakeup` function
 ## [0.45] - 2020-12-26