Bump version to v1.2.0

Changelog:
+ Update readme
+ Add multidevice support. Aritzherrero4#3
+ Improve the speed of fast succeding messages by not waiting for replies. Aritzherrero4#5

Bump version to v1.1.0

Changelog:
+ Add compatibility with more lights by using UUID instead of handles. Aritzherrero4#1

Restructure the project for PyPi

- Move some files and fix some minor issues
- Add setup.py for PyPi
- Add README
- Add .gitignore
- Add unittest test

First release - v1.0.0