Called by the menu to increment the time value on a wheel by a set amount.
Namespace: Programmer.Editor.Fixtures
Void IncrementAttributeFadeTime(Int32, Single)
http://[ip]:4430/titan/script/Programmer/Editor/Fixtures/IncrementAttributeFadeTime
wheelIndex: The index of the wheel containing a time to increment.
value: The amount you want to increment the function range value by.