Changed datetime setter to use utils.timezone instead of naive datetime stamps, as per #728.

evennia/utils/utils.py

@@ -13,7 +13,6 @@ import types
 import math
 import re
 import textwrap
-import datetime
 import random
 import traceback
 from importlib import import_module
@@ -21,6 +20,7 @@ from inspect import ismodule, trace
 from collections import defaultdict
 from twisted.internet import threads, defer, reactor
 from django.conf import settings
+from django.utils import timezone
 
 try:
     import cPickle as pickle
@@ -279,7 +279,7 @@ def datetime_format(dtobj):
 
     year, month, day = dtobj.year, dtobj.month, dtobj.day
     hour, minute, second = dtobj.hour, dtobj.minute, dtobj.second
-    now = datetime.datetime.now()
+    now = timezone.now()
 
     if year < now.year:
         # another year