Merge branch 'master' of https://github.com/sidorovis/cpp_craft_1013
Merge branch 'master' of https://github.com/sidorovis/cpp_craft_1013
Merge branch 'master' of https://github.com/sergbrych/cpp_craft_1013
fixed bugs.

Signed-off-by: Serg Brych <sbrych@gmail.com>
fixed bugs.

Signed-off-by: Serg Brych <sbrych@gmail.com>
Add task 5_4.

Signed-off-by: Serg Brych <sbrych@gmail.com>
Add task 5_5.

Signed-off-by: Serg Brych <sbrych@gmail.com>
Merge branch 'master' of https://github.com/sidorovis/cpp_craft_1013
Add fixed tested.

Signed-off-by: Serg Brych <sbrych@gmail.com>
Add task 5_6.

Signed-off-by: Serg Brych <sbrych@gmail.com>
Merge pull request #164 from sergbrych/master

Add task 5 from serg brych