The source code repo has since been relocated from my account to the (upstream) corels org in GitHub. And renamed: as the upstream (C++) repo as well as the existing Python package simply call is corels we now do too. The repo, to be distinguishable as a directory, will remain named rcppcorels.
We also describe the package a little on the corels package page. Some more work should go into along with work in the upstream repos, so please follow whichever GitHub repo you are interested in.