Adjust ipuz-cell to work with clue-sets
We never adjusted PlayCell to handle clue-sets, and they're hardcoded to across/down clues. We need to store more than that for ipuz_cell_get_clue() to work correctly.
We never adjusted PlayCell to handle clue-sets, and they're hardcoded to across/down clues. We need to store more than that for ipuz_cell_get_clue() to work correctly.