Merge pull request #2 from PurpleKangaroo/master

merge
Rename answerCard.java to AnswerCard.java
class name changes
Rename deck.java to Deck.java
Rename deckBuilder.java to DeckBuilder.java
Update .gitignore
Rename expansionDeckBuilder.java to ExpansionDeckBuilder.java
Rename hand.java to Hand.java
Rename questionCard.java to QuestionCard.java
Merge pull request #39 from HoltMaki/master

card class names fixc