Demonstrate elimination move
Check if a user has won
Fix bugs in move calculations

* Add equality test for Position, center moves that originated in different, places are now valid
* Don't eliminate own pieces from home if center is occupied
* Correctly enter home row
* Move from center is color of piece, not destination
Demonstrate playable game board
Implement Color.String()
Adjust board printout formatting
Fix bug in home movement

* Begin implementing test code
* I really like how T.Log(...) works
Add tests & fixes for basic movement
More informative Position.String()
Add tests & fixes for center, shortcut & corner movements
Add player interface
Create Human text player
Replace psuedo-test-code with playable one person game