Readded missing accessors dropped with the ranges

Mentioned in merge request lhcb/Gaudi!98 (closed)

Milestone changed to %v28r1

Reassigned to @hegner

@sponce - I will merge this as to prepare the release. However some test cases would be useful in a new MR.

Approved this merge request

Status changed to merged

Mentioned in commit ea582c7e

Thanks fror mergin. I'll write the test and actually a couple more to cover the functional part.

Yap, that's what we agreed on :-)

mentioned in merge request !320 (merged)