Merge pull request nschloe#22 from nschloe/pipdate-major

Pipdate major

Merge pull request nschloe#21 from nschloe/backward-comp

backward compatibility fix

Merge pull request nschloe#20 from nschloe/class

separation of bench and plot

Merge pull request nschloe#19 from nschloe/pypi-markdown

Pypi markdown

Merge pull request nschloe#18 from nschloe/colors

Colors

Merge pull request nschloe#17 from nschloe/save

Save

Merge pull request nschloe#16 from nschloe/fix-warning

Fix warning

Merge pull request nschloe#15 from nschloe/small-fixes

Small fixes

Merge pull request nschloe#13 from nschloe/grid

show grid

Merge pull request nschloe#12 from nschloe/test-coverage

Test coverage