Changeset OsCam11588 with emu-24.08.2020

Changeset 11588 
redo fixed version
Changeset 11587 
w33dburn buildfix
Changeset 11586 
fix build without cacheex
Changeset 11585
this is an extension for cacheex and only for this !!!
it does not change any other aspects of oscam
with this extension it becomes possible to mark and filter ecms
many thanks to w33dburner and the community
for diligent testing