Copernicus template update 7.8 + fix #565

[RLumSK]

Yet another Copernicus template update + the fix suggested by @colinasmith fixing issue #565. Info to @nuest

• [X] Update Rd and namespace (could be done by devtools::document()).

• [X] Update NEWS.

[CLAassistant]

All committers have signed the CLA.

[RLumSK]

@cderv The failed tests are not related to my pull request. @colinasmith A big thank you for your issue report and the e-mail before that.

[cderv]

Thanks !!

I'll handle it and I'll make a release.

THanks !