Timeseriesflattener

Feature

* Lookperiod tuple ([`ff43abd`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/ff43abdde7349b66a1e150e8d0d6ea85cfed6d1e))

Feature

* **396:** Add all aggregators from v1 ([`a1fa957`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/a1fa957ad53ec95a358843ea0ff00b4f5d763ccc))

Feature

* Validate columns in valueframe ([`5019ad5`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/5019ad585035189c1cb832d9b32cc8c4e5350a59))

Feature

* **402:** Allow eager polarsframes as input ([433](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/issues/433)) ([`ffe2f0a`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/ffe2f0ac34aea48dd75f4c79ff885a0f4bd43477))
* **402:** Allow eager polarsframes as input ([`f1e4cee`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/f1e4ceee85d3d0ae7b967eb6c597df2e99fdc00c))

Performance

* **423:** Multiprocessing ([`71de8c1`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/71de8c12bfb495b1747597748d7d543752d6904b))

Feature

* Expand aggregators ([`866a3a1`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/866a3a164ab388e2336d0c26a9dbd02a02093cf3))