Move task 4 & 5 to next week
Exercise 2
Add link to download
Merge pull request #3 from CMDA/exercise-2

Exercise 2
Fix nested lists formating
Remove unused module
Update code and update zip link
Add link to readme.md
Update archive link
Update .zip archive
Update small errors
Merge branch 'master' of https://github.com/CMDA/sss-exercises