Update README.md
Merge branch 'release/0.2.7' into develop

* release/0.2.7:
  update version
Merge branch 'develop' of github.com:kalashnikovisme/kabal into develop

* 'develop' of github.com:kalashnikovisme/kabal:
  Update README.md
fix errors
update version
Merge branch 'release/0.2.8'

* release/0.2.8:
  update version
  fix errors
  Update README.md