Add a requirement subclass
Change back to the all_courses vector
Rename the OBJECTS in the makefile to remove the dept- prefix
Fix ID's comparison function

it doesn't matter if something is *less than* something else, as long
as they are *equal*.
Rebase MajorRequirement and SpecialRequirement on top of Requirement
Update Xcode stuff
Create a getFileContents(string fn) function to read in an entire file at once
Begin alterations of Major()