added an interactive looping menu. yay.
refactored menu. fixed bugs. yay.
store students in a CSV file and load them for use at any time. yay.(+.gitignore)
load a file as a command line parameter. TODO: fix bug where load method duplicates a student
fixed bugs, added command line args and tweaked loading and saving functionality
just adding a basic testing structure
Added first test
updated readme in prep for merge to master
Merge branch 'master' of github.com:mfolsom/student-directory