Removed some code that had been commented out, changed the header text so read better
Removed method that defaults cohort for inline if statement
Added interactive menu
Refactored Interactive Menu, Created students, cohorts and text_width instance variables
Added students.csv to .gitignore
Added ability to save to students.csv
Added ability to read from students.csv
Refactored code
Refactored code
Refactored code, used block for file
Added a file to .gitignore