Prepare for v4.0 release: Update readme

Author: artemy

.readme/images/screenshot.png

@@ -1,7 +1,7 @@
 # NS (Nederlandse Spoorwegen) Train schedule for Alfred 5
 
 ![test & release](https://github.com/artemy/alfred-ns-schedule/workflows/test%20&%20release/badge.svg)
-![MIT License](https://img.shields.io/apm/l/atomic-design-ui.svg?)
+![MIT License](https://img.shields.io/github/license/artemy/alfred-ns-schedule)
 
 Alfred workflow for getting NS Train schedule.
 

README.md

@@ -329,7 +329,7 @@ Be sure to [get an API Key](https://apiportal.ns.nl/) and set it in the user con
 	<key>variablesdontexport</key>
 	<array/>
 	<key>version</key>
-	<string>3.1</string>
+	<string>4.0</string>
 	<key>webaddress</key>
 	<string>https://github.com/artemy/alfred-ns-schedule</string>
 </dict>