Add a convenience function for retrieving the date of a Photo.
Methods for retrieving face keys, names, and locations in photos.
Fixing indentation.
Switching getDate to getDateTime and returning a DateTime object.
Added a class for interfacing with Face data.
Added a convenience function for getting a photo's description.
Look in more than one place for the Faces.db
Fixing typo.
Merge pull request #1 from cfinke/master

Getting date and faces from photos