Should only require adding something like `are_relative::Bool` and an accessor method to [BoundingBoxAnnotation](https://github.com/IHPSystems/ImageAnnotations.jl/blob/master/src/bounding_box_annotation.jl#L1) etc. Should not be breaking.
Should only require adding something like
are_relative::Booland an accessor method to BoundingBoxAnnotation etc.Should not be breaking.