Initial commit
Update .gitignore
1-5 Solves
Solves 6-10, some refactoring in main class
Deleted default project comments
Add solutions 11-14, 16, 20. Create tests for all available problems.
Add a txt-files for some problems. Add a solutions and tests for 17, 18, 22, 67 problems.
Solution and test for problem 21
Add solutions for 19, 23. Create file of functions for most popular functions in solutions. Some refactoring of classes.
Problem 25, solution and test.
Problem 28, solution ans test.