Description:
IsPrimitive from the SQLite_Toolkit is not run properly when called from RunExtensionMethod., it may be because there's an existing IsPrimitivein theReflection_Engine` wih two optional parameters (so could be run using RunExtensionMethod with a single target:
https://github.com/BHoM/BHoM_Engine/blob/develop/Reflection_Engine/Query/IsPrimitive.cs
Test script: RunExtensionMethod.gh