Sc204/alg in output

The algorithm used is now mentioned in the output file names. Also, date and time are in there. Did not make a different branch for that, because that was a very small job.

umbra/controller.py

@@ -3,6 +3,7 @@ import os
 
 from filereader import CSVReader, CSVWriter
 from utils import id_regex, shadow_regex
+from time import localtime, strftime
 
 
 class Controller:
@@ -230,8 +231,9 @@ class Controller:
             file_name: String that will be the start of the file name
         Returns:
             title: String starting with file_name, then the algorithm
-            last used
+            last used, then the date and as last the time
         """
         algorithm = self._model.last_used_algorithm()
-        title = "{}_{}.csv".format(file_name, algorithm)
+        time = strftime("%d%m%y_%H%M%S", localtime())
+        title = "{}_{}_{}.csv".format(file_name, algorithm, time)
         return title