more missed imports. Countdown needs datetime, dateutil stuff

modules/Countdown.py

@@ -15,7 +15,11 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from ConfigParser import NoOptionError
+from datetime import datetime
 
+from dateutil.parser import *
+from dateutil.relativedelta import *
+from dateutil.tz import *
 from irclib import irclib
 
 from Module import Module