Prepare release 0.4.4

Author: pizzamig

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]
+
+## [0.4.4] 2020-03-31
 ### Fixed
 - pot::get_pot_conf_list(): ignore alias network type, not useful for the analysis