set up
minimally compiling file
write Point class declaration
add accessor functions
change accessors to be const
write distanceTo member function
add defaults to constructor
write tests for Points::distanceTo
write LineSegment class

not yet tested
more test cases
header files
import shopCart from previous week
change Item from struct to class

also had to change shoppingCart from array to vector
prep to make shoppingCart class

shoppingCart name collides, so change
make stub ShoppingCart class
add vector of Item
implement addItem setter
write listItems getter function
add comments
implement totalPrice getter