Add filtering by modality
Add filtering by modality

Seems to work against dcm4chee servers, but not against conquest.

ddao/CTK,151706061/CTK,Heather/CTK,espakm/CTK,jcfr/CTK,finetjul/CTK,rkhlebnikov/CTK,naucoin/CTK,CJGoch/CTK,mehrtash/CTK,Heather/CTK,naucoin/CTK,151706061/CTK,fedorov/CTK,laurennlam/CTK,151706061/CTK,msmolens/CTK,CJGoch/CTK,naucoin/CTK,CJGoch/CTK,SINTEFMedtek/CTK,finetjul/CTK,SINTEFMedtek/CTK,Heather/CTK,msmolens/CTK,vovythevov/CTK,Sardge/CTK,finetjul/CTK,laurennlam/CTK,Sardge/CTK,commontk/CTK,Sardge/CTK,ddao/CTK,ddao/CTK,lassoan/CTK,danielknorr/CTK,rkhlebnikov/CTK,ddao/CTK,mehrtash/CTK,lassoan/CTK,fedorov/CTK,sankhesh/CTK,jcfr/CTK,sankhesh/CTK,jcfr/CTK,AndreasFetzer/CTK,Sardge/CTK,laurennlam/CTK,CJGoch/CTK,AndreasFetzer/CTK,lassoan/CTK,espakm/CTK,danielknorr/CTK,rkhlebnikov/CTK,CJGoch/CTK,commontk/CTK,msmolens/CTK,SINTEFMedtek/CTK,laurennlam/CTK,sankhesh/CTK,espakm/CTK,sankhesh/CTK,lassoan/CTK,commontk/CTK,SINTEFMedtek/CTK,rkhlebnikov/CTK,fedorov/CTK,151706061/CTK,151706061/CTK,pieper/CTK,danielknorr/CTK,msmolens/CTK,AndreasFetzer/CTK,fedorov/CTK,pieper/CTK,jcfr/CTK,Heather/CTK,mehrtash/CTK,pieper/CTK,AndreasFetzer/CTK,vovythevov/CTK,jcfr/CTK,finetjul/CTK,vovythevov/CTK,pieper/CTK,vovythevov/CTK,espakm/CTK,commontk/CTK,SINTEFMedtek/CTK,mehrtash/CTK,naucoin/CTK,danielknorr/CTK