Make dicomfind automatically search functional groups.
Make dicomfind automatically search functional groups.

This means that if SliceThickness is put into a query it will be found,
even if the data set is an enhanced multi-frame data set that hides this
attribute within the functional groups.

dgobbi/vtk-dicom,hendradarwin/vtk-dicom,hendradarwin/vtk-dicom,dgobbi/vtk-dicom,hendradarwin/vtk-dicom,dgobbi/vtk-dicom