Solutions for 2nd week
Merge https://github.com/sidorovis/cpp_craft_1013
Add solution for 2_4 using class without using reader/writer library
Add solution for task 2_4 using class without using bin reader/writer library
Add solution for task 2_5 using class
Correct mistakes, add class, add header
Correct mistakes, add class, add header
Correct length of name
Correct 2_6
Correct 2_6
Merge pull request #111 from BrightDays/master

adding solution for 2 week from BrightDays