Make the full_name unique
Make the full_name unique

k0kubun/githubranking,k0kubun/github-ranking,k0kubun/github-ranking,k0kubun/githubranking,k0kubun/githubranking,k0kubun/githubranking,k0kubun/githubranking,k0kubun/github-ranking,k0kubun/github-ranking,k0kubun/github-ranking