Now matches Interface declaration style (iAccessorGenGame), and is consistently named with the other accessors already using the same naming style
plus they are now ordered in the file tree :)
no functional change
Closes#2658 ty @CanoeHope !
Mostly just serves as documentation; with the amount of fields being editable increasing, hard-coded GUI might not be optimal here. I'm thinking something like a PropertyGrid based on the selected block which will pull up the Block object if the key matches... for fields, something like a dynamically populated list or something.
