code: def create_annotation_service(mod, name)
        @integrator = Annotation::Integrator.new(mod)
        Annotation::AnnotationService.new(@database, name, @integrator)
      end
docs: Initializes a new Annotator for the given database.
  
   @param [CaTissue::Database] the database
   @param [Module] the annotation module
   @param [String] name the service name
   @return [Annotation::AnnotationService] the annotation service