deleted:    data_reduction/NewtonPolynomial.py
	modified:   data_reduction/data_reduction.py
	deleted:    data_reduction/norm.py
	renamed:    data_reduction/Polynomial.py -> data_reduction/polynomial.py
	deleted:    data_reduction/tmp.dat
	deleted:    data_reduction/unused/divided_difference.py
	deleted:    data_reduction/unused/norm.py