Fixed missing parameter usage.

run_all_exercises.py

@@ -2,8 +2,8 @@ from library.analysis import testSets, generators, runExercise
 import os
 import threading
 
-maxWorkers = 6
-doMultitask = False
+maxWorkers = 1
+doMultitask = True
 
 nWorker = 0
 
@@ -17,7 +17,7 @@ for dataset in testSets:
                 print(f"#{nWorker}: end.")
                 exit()
             else:
-                if nWorker >= 6:
+                if nWorker >= maxWorkers:
                     os.wait()
                     nWorker -= 1
         else: