Release v1.0.20

ensure compatibility with future controller versions

v0.3.6

Update README.md

v0.3.3: ### 0.3.3

* (jey-cee) try to fix bug that cause to crash the adapter when sending actions
* (jey-cee) added unsubscribe on subscription error
* (jey-cee) added sync between Arguments and the related State Variable
* (jey-cee) fixed bug when sending an action and there comes no answer

v0.3.1

Merge remote-tracking branch 'origin/master'

v0.2.2

Update main.js

v0.2.1: Merge remote-tracking branch 'origin/master'

# Conflicts:
#	README.md
#	io-package.json
#	main.js
#	package.json

v0.2.0 ioBroker.upnp Read devices

Pushed to version 0.2.0.

Revised the code and structure.