on Module, use one single callback list 'paramsCallback' instead of
'valueCallbacks', 'errorCallbacks'. Redesign the mechanism to
avoid most of the closures.
Change-Id: Ie7f68f6bf97ab3f3cd961faa20b0e77730e5b37d
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/33118
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
