constructor(repository, auth, apiBase) {
      super(auth, apiBase);
      this.__repository = repository;
   }
Create a new Issue
@param {string} repository - the full name of the repository (`:user/:repo`) to get issues for
@param {Requestable.auth} [auth] - information required to authenticate to Github
@param {string} [apiBase=https://api.github.com] - the base Github API URL