- Added all public functions documentation in README.md
- Fixed missing id in the original database.txt
- Fixed missing id in Person constructor

- Place holders are now universalized with password & password2
- Unneeded variables removed (counter, x, pswd)
- Fixed quit() improper ofstream behavior
- Implemented while (!.empty()) instead of for loop

- Person is now used and called in LogInSystem.cpp
- A stack is introduced to handle all the users (Person)

- Unresolved “Segmentation fault : 11”

Added Person class and header file.

Imported from an old code with minor tweak