10728f48_Changes_to_Autocross_PAX__Next_Week
[Current] Not all Class and PAX combinations are valid [Next Week] 
New validation rule allows specifying that only certain modifiers are a valid selection for a given Indexed class. If someone picks "Novice" in the class dropdown, force them to only pick one of the stock classes in the modifier/PAX dropdown.
Changes to Autocross PAX
Next Week