gist id is string

Author: disjukr

lib/GitHub.js

@@ -34,7 +34,7 @@ class GitHub {
 
    /**
     * Create a new Gist wrapper
-    * @param {number} [id] - the id for the gist, leave undefined when creating a new gist
+    * @param {string} [id] - the id for the gist, leave undefined when creating a new gist
     * @return {Gist}
     */
    getGist(id) {