New BLISS release 0.2.0
TODO:
- take current master as 0.2.0 => make a tag
- write a change log from 0.1.3 to 0.2.0
- add CHANGELOG.md
- follow rules on https://keepachangelog.com/en/1.0.0/
- test the package on a brand new Docker for example
- write an email to bliss@esrf.fr to inform about the new release