0.41.0

The main change is infrastructure for more flexible callback functions after each step.

What's Changed

• Added details about jupyter environment to environment() function by @david-zwicker in #573
• Added automatic decomposition of MPI grids by @david-zwicker in #578
• Changed default value of decomposition flag by @david-zwicker in #579
• Format docstrings automatically by @david-zwicker in #580
• Fix docstring replacement of plotting functions by @david-zwicker in #581
• Renamed modify_after_step to post_step_hook by @david-zwicker in #583
• Allow using cartesian coordinates in (some) expressions by @david-zwicker in #584
• Changed post_step_hook such that it also receives the current time by @david-zwicker in #585
• Made post_step_hook more flexible. by @david-zwicker in #586
• Improved handling of initial data by @david-zwicker in #587

Full Changelog: 0.40.0...0.41.0