Improved DateField.to_python() to catch invalid dates like Feb. 31
Improved DateField.to_python() to catch invalid dates like Feb. 31

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3242 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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extra : convert_revision : b960b0938a69a794821e67a54a02a519fdb12e25

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel,heracek/django-nonrel,heracek/django-nonrel,heracek/django-nonrel