Fixing issue where houses without an AirInfiltrationMeasurement errored out.
Adding an intelligible error message if attics aren't referencing roofs. Fixing calculation if there is only one attic and there is no area associated.
removing requirement to look for hvac distribution when there is no hvac.
fixing windows to account for quantity
Using OrderedDict so the json file output will be in an easier to read order.
Updating README.md
Adding house1
adding first unit test #6
ignoring *.pyc files
Adding test house 1a #6