[Semantic Versioning]: http://semver.org/
## Unreleased
+
+## 0.4.0 - 2020-05-26
### Added
- 3D grid extension.
- Uniform sampling. (Normal sampling is still default.)
- Compound extensions 18 - 33.
- Path optimization in backward direction.
+- Goal found check for zone instead of Euclidean distance and max. angle
+ extension.
### Changed
- Reformat lists in readme.