Bump to v0.5.4

Author: mkb79

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased
 
+-
+
+## [0.5.4] - 2020-02-28
+
 ### Added
 
 - Provide a custom serial when login

src/audible/_version.py

@@ -2,7 +2,7 @@
 __description__ = "A(Sync) Interface for internal Audible API written in " \
                   "pure Python."
 __url__ = "https://github.com/mkb79/audible"
-__version__ = "0.5.3"
+__version__ = "0.5.4"
 __author__ = "mkb79"
 __author_email__ = "mkb79@hackitall.de"
 __license__ = "AGPL"