Merge pull request #3 from DaveM214/master

Merging Grid Puzzle
Update WordPuzzleSuccessorFunction.java
Update WordPuzzle.java
Update IntPair.java
Create FrameworkWord.java
Delete GridDemonstration.java
Update
Merge pull request #5 from DaveM214/master

Restructuring
Update WordPuzzle.java
Update WordPuzzleSuccessorFunction.java
Update SuccessorFunction.java
Update FrameworkWord.java
Create AStarWordPuzzle.java
Create IntPair.java
Update IntPair.java
Delete IntPair.java
Update EightPuzzleSuccessorFunction.java
Update GridPuzzleSuccessorFunction.java
Merge pull request #2 from CookieH/master

Update Forked repo