Refactor model: SpecularBeamInclinationItem
In this MR the interface of SpecularBeamInclinationItem has been overhauled to disencourage the use of the string based interface.
Additionally an error introduced in !69 (merged) has been fixed.
In this MR the interface of SpecularBeamInclinationItem has been overhauled to disencourage the use of the string based interface.
Additionally an error introduced in !69 (merged) has been fixed.