Added Flashcard class to enable creation

We can now create the flashcard objects that we are going to need to
power the rest of the app.
Merge pull request #1 from zachgersh/zach

Added Flashcard class to enable creation
adding deck class skeleton

added a deck class and then added an initialize method and a get_a_card
method to the class
Merge pull request #2 from zachgersh/kelmers-branch

adding deck class skeleton....looks good (except for self )
updated class flashcard. check parser method.