Update __generateID.js

Author: shysolocup

src/Workspace/Resources/__generateID.js

@@ -3,7 +3,8 @@ const { random } = require('stews');
 
 
 Workspace.newF("__generateID", function(length=5, characters=null) {
-    characters = (characters) ? characters : "abcdefghijklmnopqrstuvwxyz1234567890-_".split("");
+    characters = (characters) ? characters : "abcdefghijklmnopqrstuvwxyz1234567890-_"
+    if (typeof characters == "string") characters = characters.split("");
     let id = "";
 
     for (let i = 0; i < length; i++) {