add support for paths on py-env so that we can load local (sort of) scripts into the environment

pyscriptjs/src/utils.ts

@@ -1,6 +1,12 @@
 
-export function addClasses(element: HTMLElement, classes: Array<string>){
+function addClasses(element: HTMLElement, classes: Array<string>){
     for (let entry of classes) {
       element.classList.add(entry);
     }
 }
+
+const getLastPath = function (str) {
+  return str.split('\\').pop().split('/').pop();
+}
+
+export {addClasses, getLastPath}