Improved LocalTimezone._isdst() to handle dates before approximately 1901-12-01 (the specific cutoff date is platform-specific). Refs #1443
Improved LocalTimezone._isdst() to handle dates before approximately 1901-12-01 (the specific cutoff date is platform-specific). Refs #1443

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@7945 bcc190cf-cafb-0310-a4f2-bffc1f526a37

t11e/django,Instagram/django,hugs/django,skevy/django,alex/django-old,jamespacileo/django-france,sam-tsai/django-old,Smarsh/django,Instagram/django,sam-tsai/django-old,alex/django-old,django-nonrel/django-nonrel,skevy/django,t11e/django,mitsuhiko/django,disqus/django-old,skevy/django,disqus/django-old,mitsuhiko/django,Instagram/django,django-nonrel/django-nonrel,Smarsh/django,alex/django-old,jamespacileo/django-france,bfirsh/django-old,dcramer/django-compositepks,sam-tsai/django-old,hugs/django,sam-tsai/django-old,jamespacileo/django-france,t11e/django,hugs/django,disqus/django-old,Smarsh/django,mitsuhiko/django,dcramer/django-compositepks,bfirsh/django-old,Smarsh/django,django-nonrel/django-nonrel,dcramer/django-compositepks,bfirsh/django-old