Fixed CLI to allow for full testing by using State Machines for everything, test for editing passes now

src/main/java/hhn/temp/project/AssignmentManager.java

@@ -49,6 +49,12 @@ public class AssignmentManager {
         }
         return taskMap.get(taskId);
     }
+    public Worker getWorker(int workerId) {
+        if (!workerMap.containsKey(workerId)) {
+            throw new IllegalArgumentException("Worker Id does not exist");
+        }
+        return workerMap.get(workerId);
+    }
     public void editTask(int workerId, int taskId, String name, String description) {
         if (!workerMap.containsKey(workerId) || !taskMap.containsKey(taskId)) {
             throw new IllegalArgumentException("Task Id or Worker Id does not exist");