Nlmod

What's Changed
* Fix issue 129 and some improvements by rubencalje in https://github.com/ArtesiaWater/nlmod/pull/130
* add functions for structured models with a variable delr and delc by OnnoEbbens in https://github.com/ArtesiaWater/nlmod/pull/135
* Remove logo again by rubencalje in https://github.com/ArtesiaWater/nlmod/pull/137
* remove _f from default modpath modelname by OnnoEbbens in https://github.com/ArtesiaWater/nlmod/pull/139
* Improve GeoTOP code by rubencalje in https://github.com/ArtesiaWater/nlmod/pull/141

* update version by ArtesiaWater in https://github.com/ArtesiaWater/nlmod/pull/127

New Contributors
* dbrakenhoff made their first contribution in https://github.com/ArtesiaWater/nlmod/pull/104
* ArtesiaWater made their first contribution in https://github.com/ArtesiaWater/nlmod/pull/127

**Full Changelog**: https://github.com/ArtesiaWater/nlmod/compare/v0.3.0...v0.4.0

New release with many breaking changes towards previous release.

New features:
- support for rotated grids
- add a modpath pathline simulation to a groundwater flow model
- add surface water data from the waterboard to a model
- support for ahn4

Many big updates!

Minor update including:
- extra options to project vector data on a grid
- function to create a horizontal flow barrier from a line shape
- some bug fixes

- new way of caching function output using decorators in the new caching module
- new plotting methods
- functions to export modeldata to gis in the new gis module
- rename 'unstructured' to 'vertex' according to the terminology in flopy
- many smaller bug fixes

What's Changed
* Update package by OnnoEbbens in https://github.com/ArtesiaWater/nlmod/pull/30


**Full Changelog**: https://github.com/ArtesiaWater/nlmod/compare/0.1.0...v0.2.0