update data model so that int_n_sample —> samples.int_n_specimens
update data model so that int_n_sample —> samples.int_n_specimens
lfairchild/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy,Caoimhinmg/PmagPy