Version 1.6.3

ADDED

- Add Pyper guide to manual ([spice-mc/pepper@c1495504c500c356f50eeacf9e76475a470b892e](https://gitlab.com/spice-mc/pepper/-/commit/c1495504c500c356f50eeacf9e76475a470b892e), [spice-mc/pepper!230](https://gitlab.com/spice-mc/pepper/-/merge_requests/230))

FIXED

- Fix seed setting in `pepper-h5edit` ([spice-mc/pepper@198822e0fa2a4faf6eeef5b89ba112cd6482593f](https://gitlab.com/spice-mc/pepper/-/commit/198822e0fa2a4faf6eeef5b89ba112cd6482593f), [spice-mc/pepper!229](https://gitlab.com/spice-mc/pepper/-/merge_requests/229))

- Fix stalls when finding active helicity configurations ([spice-mc/pepper@865ed5a1c3f853fbd27890aefc348546666cfdd1](https://gitlab.com/spice-mc/pepper/-/commit/865ed5a1c3f853fbd27890aefc348546666cfdd1), [spice-mc/pepper!228](https://gitlab.com/spice-mc/pepper/-/merge_requests/228))

- Fix too low precision for some cached values ([spice-mc/pepper@b82f99d4a69d41779218e330fe2bd9e722b9522e](https://gitlab.com/spice-mc/pepper/-/commit/b82f99d4a69d41779218e330fe2bd9e722b9522e), [spice-mc/pepper!227](https://gitlab.com/spice-mc/pepper/-/merge_requests/227))

CHANGED

- Update QED coupling value to latest Sherpa v3 value to allow for more straightforward exact comparisons between the two tools’ calculations ([spice-mc/pepper@93156fdc049239b15457f70c6814415ceb090e1a](https://gitlab.com/spice-mc/pepper/-/commit/93156fdc049239b15457f70c6814415ceb090e1a), [spice-mc/pepper!227](https://gitlab.com/spice-mc/pepper/-/merge_requests/227))