Rethink inline seq solution size cost

[alexheretic]

I wonder if the game should count solution sizes for inline seq differently. Right now they don't have any solution size cost, I did this so as to not "punish" players for declaring var constants / not encourage magic numbers. But that can be abused by encoding lots of a solution into a inline sequence.

Maybe it would be better to have each inline seq item +1 to solution size? So seq foo[] = 1, 2, 3 would count +3 to solution size. On the other hand, maybe it's more fun as an exploit?

[alexheretic]

Also review the cost of foo[123]