Fix http://github.com/thauber/django-schedule/issues#issue/16
Fix http://github.com/thauber/django-schedule/issues#issue/16

Signed-off-by: Bartek Górny <1510bcc82b444bd3d94fed33ba1fa2e72fc0e429@gorny.edu.pl>
ixc/glamkit-eventtools,GrahamDigital/django-scheduler,rowbot-dev/django-scheduler,nwaxiomatic/django-scheduler,nwaxiomatic/django-scheduler,nharsch/django-scheduler,rowbot-dev/django-scheduler,jrutila/django-scheduler,drodger/django-scheduler,jrutila/django-schedule,llazzaro/django-scheduler,drodger/django-scheduler,nwaxiomatic/django-scheduler,llazzaro/django-scheduler,sprightco/django-scheduler,nharsch/django-scheduler,jrutila/django-schedule,erezlife/django-scheduler,Gustavosdo/django-scheduler,GrahamDigital/django-scheduler,Gustavosdo/django-scheduler,GrahamDigital/django-scheduler,drodger/django-scheduler,llazzaro/django-scheduler,sprightco/django-scheduler,ixc/glamkit-eventtools,erezlife/django-scheduler,jrutila/django-scheduler,sprightco/django-scheduler,mbrondani/django-scheduler,jrutila/django-schedule,mbrondani/django-scheduler