in grids, make it so that you can add cols and import a file, preserving all data before saving 
in grids, make it so that you can add cols and import a file, preserving all data before saving 

Caoimhinmg/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy,lfairchild/PmagPy