- improve the code
- BRAKE: the mode how the ProgressBar is reimplemented will brake the old code. Use the example from README.md
- reword on the progress bar and threads. For now seams to work OK
- small fixes for documentation and added some images
- refactored all the code
- split the code in separate files
- added ProgressBar with threads and callback
- change the mode how the versions are experimented
- modification on how the GTK is imported and version specified
- small modification on readme and another push to PyPi
- initial release