I fixed the example for a custom history_date, as it was refering to my_poll.history_date instead of my_poll._history_date. I also rewrote the documentation to make it better understandable.
I fixed the example for a custom history_date, as it was refering to
my_poll.history_date instead of my_poll._history_date.
I also rewrote the documentation to make it better understandable.

luzfcb/django-simple-history,emergence/django-simple-history,treyhunner/django-simple-history,treyhunner/django-simple-history,pombredanne/django-simple-history,pombredanne/django-simple-history,emergence/django-simple-history,luzfcb/django-simple-history