Aerovaldb

What's Changed
* Remove `async_io` option in `aerovaldb.open()` in https://github.com/metno/aerovaldb/pull/118
* Make `timestep` mandatory in `get_contour()` in https://github.com/metno/aerovaldb/pull/118


**Full Changelog**: https://github.com/metno/aerovaldb/compare/v0.2.5...v0.3.0

What's Changed
* Apply caching to filtered endpoints by thorbjoernl in 116


**Full Changelog**: https://github.com/metno/aerovaldb/compare/v0.2.4...v0.2.5

What's Changed
* Improve performance of contour endpoint by thorbjoernl in 111


**Full Changelog**: https://github.com/metno/aerovaldb/compare/v0.2.3...v0.2.4

What's Changed
* Fixes webp images being written with png extension by thorbjoernl in https://github.com/metno/aerovaldb/pull/108


**Full Changelog**: https://github.com/metno/aerovaldb/compare/v0.2.2...v0.2.3

What's Changed
* Adjust map overlay path template once more to be consistent with contour files; fix bug in map filtering; and encode / in all arguments, simplifying validation by thorbjoernl in 107

**Full Changelog**: https://github.com/metno/aerovaldb/compare/v0.2.1...v0.2.2

What's Changed
* Implements timesplit reading and writing of contour files; frequency/season-split reading of maps; and changes file path template for overlay files by thorbjoernl in https://github.com/metno/aerovaldb/pull/106


**Full Changelog**: https://github.com/metno/aerovaldb/compare/v0.1.5...v0.2.1