Merge pull request #398 from palewire/clean

Clean up our charts methods

Author: chekos

README.md

@@ -13,7 +13,7 @@
 [![Semantic Versions](https://img.shields.io/badge/%F0%9F%9A%80-semantic%20versions-informational.svg)](https://github.com/chekos/datawrapper/releases)
 [![License](https://img.shields.io/github/license/chekos/datawrapper)](https://github.com/chekos/datawrapper/blob/master/LICENSE)
 
-A light-weight python wrapper for the Datawrapper API (v3). While it is not developed by Datawrapper officially, you can use it with your API credentials from datawrapper.de
+A lightweight Python wrapper for the Datawrapper API
 
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