Minor update to datvolumereader to support multiple datfiles as sequence.
Minor update to datvolumereader to support multiple datfiles as sequence.


Sparkier/inviwo,inviwo/inviwo,Sparkier/inviwo,inviwo/inviwo,Sparkier/inviwo,Sparkier/inviwo,inviwo/inviwo,Sparkier/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo