def retrieve_watcher(user, repo, watcher)
      repo_bound_item(user, repo, watcher, :watchers,
                      ["repos/#{user}/#{repo}/stargazers"],
                      {'repo' => repo, 'owner' => user},
                      'login', order = :desc)
    end
def retrieve_watcher(user, repo, watcher)
      repo_bound_item(user, repo, watcher, :watchers,
                      ["repos/#{user}/#{repo}/stargazers"],
                      {'repo' => repo, 'owner' => user},
                      'login', order = :desc)
    end
Retrieve a single watcher for a repository