Merge pull request nschloe#11 from nschloe/numpy

import numpy as np

Merge pull request nschloe#10 from nschloe/test-readme

test readme

Merge pull request nschloe#9 from nschloe/oklab

Oklab

Merge pull request nschloe#8 from nschloe/modernize

Modernize

Merge pull request nschloe#7 from nschloe/modernize2

Modernize

Merge pull request nschloe#4 from nschloe/modernize

Modernize

Merge pull request nschloe#3 from nschloe/new-default-scaling

New default scaling

Merge pull request nschloe#2 from nschloe/examples

Examples

Merge pull request nschloe#1 from nschloe/modernization

Modernization

more tests