Bugfix: Always generate n questions instead of n-1

assets/js/app.js

@@ -237,7 +237,7 @@ function constructQuestion(data) {
 }
 
 function getNextQuestion() {
-    if ((dataset.a + 1) >= dataset.m) {
+    if ((dataset.a + 1) > dataset.m) {
         evaluate();
         return;
     }