Digest auth: case insensitive replacement of 'digest ' string with '' from WWW-Authenticate
Merge branch 'master' of git://github.com/kennethreitz/requests
compiled regex expression in digest auth, this also works in python 2.6.x
update vendored urllib3
Merge pull request #1268 from t-8ch/update_urllib3

update vendored urllib3
Merge remote-tracking branch 'origin/master'
is should not be used for comparing numbers
Fixed typos
fix tiny typo in HISTORY.rst
add test for unicode multipart post
use compat.str instead of compat.builtin_str
Merge pull request #1276 from alex/patch-1

is should not be used for comparing numbers
Merge pull request #1277 from pborreli/typos

Fixed typos
Merge pull request #1278 from t-8ch/patch-1

fix tiny typo in HISTORY.rst
Fix for the issue https://github.com/kennethreitz/requests/issues/1280
Merge pull request #1281 from KamilSzot/Issue_kennethreitz_requests_issues_1280

Fix for the issue https://github.com/kennethreitz/requests/issues/1280
Revert "Fix for the issue https://github.com/kennethreitz/requests/issues/1280"

This reverts commit ca0aea640d0cce01c126220b74362c9014cabbd6.
Closes #1280

Correct the doc-string for Session#request that I copied without thinking
about.
Add PreparedRequest recipe to the docs
add additional test for unicode multipart post