Don't call NumPossible if cell is solved
Print board/sec instead of avg time to solve each
Check for values that only appear once before guessing
go fmt
Print solved boards compactly
Print elapsed time for each puzzle
Name anonymous function as loadBoards(string)
Remove unused func
Require puzzle filename
Mispelled Norvig
Rename sudoku_batch -> sudoku_sequential
go fmt
Add Board#Solution()
Specify channel direction
Refactor some function names
Refactor
Update README