Add solution and tests for Problem - 33
Add solution and tests for Problem - 34
Add solution to Problem - 30
Add solution and tests to Bonus Round 1
Add solution and tests to Bonus Round 2
Remove unnecessary parts of the description
Fix long line
Add solution and tests to Bonus Round 3
Improve count_numbers solution
Add solution and tests to Problem F1
Rename cat to cat2

cat what actually the solution to Problem F2
Add newlines only between contents of multiple files
Rename `cat` to `cat2` in Problem F2
Fix cat2 so it works without arguments as well
Rename cat2 test so it will noт be confused with cat
Add solution and tests to Problem F1
Add solution and test to Problem F3
Add solution and tests to Problem F4
Fix `cat` and `cat2` so they print the result in the console
Add solution and tests to Problem F5