Add 'index' param to multi_clust to allow specifying NbClust's index - There was previously no way of specifying the indexes to be used   by NbClust when generating a multiClust object. This adds that   capability.
Add 'index' param to multi_clust to allow specifying NbClust's index
- There was previously no way of specifying the indexes to be used
  by NbClust when generating a multiClust object. This adds that
  capability.

catterbu/receptormarker,nsh87/receptormarker,nsh87/receptormarker,catterbu/receptormarker,catterbu/receptormarker,nsh87/receptormarker,catterbu/receptormarker,nsh87/receptormarker,nsh87/receptormarker,catterbu/receptormarker