Add solution to `Problem 26 - Spam and Eggs`
Add solution to `Problem 27 - Reduce file path`
Add solution to `Problem 28 - Word from a^nb^n`
Add solution to the second homework from clojure fmi
Add sample test to the second homework from clojure fmi
Add requires so that evans accepts my solution
Add tests I wrote for the second homework
Update solution and tests according to some clarifications
Remove leftover imports
Add tests for nth_fibonacci
Add tests for sum_of_digits
Add tests for sum_of_min_and_max
Add tests for sum_of_divisors
Add missing used function