looping

begin!
coming back

think about unit testing functions before continuing?
added Passenger & Building

Passenger class has a start floor and destination floor. Building has
classes to add and initialized passengers and elevators. Also build
"call elevator" functionality that loops through passengers and calls
the proper button on the elevators.
time to refactor

okay
added elevator_test.txt

yay for doctests!
updated tests...

going to sleep. these descriptions are getting annoying & uninformative
to my future self
more refactoring & elevator commands
Merge pull request #1 from highcard/Refactoring

Refactoring