Fix error with package downloads
Recently, the GitHub API returns SHA256-Checksums for each package, which breaks the CI build. This modification makes sure that the correct files are downloaded and should fix issues #7 (closed) and #8 (closed).
Recently, the GitHub API returns SHA256-Checksums for each package, which breaks the CI build. This modification makes sure that the correct files are downloaded and should fix issues #7 (closed) and #8 (closed).