Fixed seriesInstanceIdx handling bug in dicomreader.
Fixed seriesInstanceIdx handling bug in dicomreader.

fvpolpeta/devide,ivoflipse/devide,ivoflipse/devide,chrisidefix/devide,zhangfangyan/devide,fvpolpeta/devide,chrisidefix/devide,nagyistoce/devide,nagyistoce/devide,zhangfangyan/devide