SetupTests pass again.
cardCount change.
Add board.calcAdjacencies to ClueGame.
createSuggestion return null.
randomCard is now static.
Implemented disproveSuggestion.
Don't return that.
Added toString to Card, OnePlayerMultipleMatches passes.
randomCard now handles zero size sets, return null.
Merge branch 'clueplayers' of https://github.com/nurbu5/ClueBoard into clueplayers
Most disproveSuggestion tests now pass.
Seen only exists for computers.  Work on computer pickLocation().
Merge branch 'clueplayers' of https://github.com/nurbu5/ClueBoard into clueplayers
Remove some duplication.
Proper indexes in target tests.
Needed to reset visited inside loop.
Merge branch 'clueplayers' of https://github.com/nurbu5/ClueBoard into clueplayers
Implemented handleSuggestion.

Fixed tests.
Merge branch 'clueplayers' of https://github.com/nurbu5/ClueBoard into clueplayers
Remove prints used for debugging.