There was previous confusion because characters can have a maximum of
39 spells for their class. But the spell list for each class has
40 entries, of which the last one, #39, is always the 'No Spell' value
Originally the flag was whether the party was on the Dark Side,
but as a bool I was having to cast it to an int side/cc number in
more and more places. So now I've converted it to _ccNum, and it
can be used directly as an int