DIMA with more than 2 replicates

[meono]

pymodulon/src/pymodulon/util.py

Line 174 in c333004

_diff[":".join(name)] = abs(A_to_use[i1] - A_to_use[i2])

This line seems to overwrite the column in _diff dataframe when there are more than 2 replicates. Something like

_diff[":".join(name+(i1, i2))] = abs(A_to_use[i1] - A_to_use[i2])

would retain them.