Revert last commit

param_tester.py

@@ -64,6 +64,6 @@ print("Tests begun")
 # Test each value combination
 for i in combination:
     for j in range(count):
-        subprocess.call(exec_cmd + " ".join(str(x) for x in i) + "&1 > " + output_file_name + str(j) + "_" + "_".join(
+        subprocess.call(exec_cmd + " ".join(str(x) for x in i) + " > " + output_file_name + str(j) + "_" + "_".join(
             str(x) for x in i) + ".dat", shell=True)
 print("Done")