Correctly store last selected level
Correctly store last selected level

endemic/nonogramjs,endemic/nonogramjs,endemic/nonogram-backbone,endemic/nonogramjs,endemic/nonogramjs,endemic/nonogramjs,endemic/nonogram-backbone,endemic/nonogram-backbone,endemic/nonogramjs,endemic/nonogram-backbone,endemic/nonogram-backbone,endemic/nonogram-backbone,endemic/nonogram-backbone,endemic/nonogramjs