updateProject(options, cb) {
      return this._request('PATCH', `/projects/${this.__id}`, options, cb);
   }
Edit a project
@see https://developer.github.com/v3/projects/#update-a-project
@param {Object} options - the description of the project
@param {Requestable.callback} cb - will receive the modified project
@return {Promise} - the promise for the http request