Improved and simplified the "Load Siblings with Descendants" function of the DICOM dialog.
If composite series are detected, user is asked if the composite series have to be included.
Button name is simplified to "Load Siblings".

Fixed the "DICOM subtree copy" defect.  When several series of the 4D study have identical filename in the original subfolders (very unusual situation), the copy function would fail by blindly overwriting them.  Fixed now by creating individual subfolders.

Confusing DICOM situation in Renal FLASH 4D:
Relevant DYNAMIC series seem to be present TWICE.  First  RENAL_PERF_DYN (outlined in RED 22 timepoints),  second time COMP_RENAL_PERF  (outlined in BLUE another timepoints).
Actual times are identical between those series, so this confuses FireVoxel when trying to load the with the simple "Load siblings".  Workarounds are possible presently (either by checking only required series, or just by "Load Range" for COMP_RENAL_PERF).

But which one should be used?   First one RENAL_PERF_DYN can be combined with RENAL_PERF_5_MEASURES  making a longer dynamic dataset of 27 timepoints.

Should anything be done about this now?