kennethreitz/requests — pull request #1613 by JshWright (2013-09-20 18:18:14+00:00)
Title: Update urllib3 to b4391c1

urllib3 recently added support for https proxies (https://github.com/shazow/urllib3/pull/170). This has been a blocking issue for our us of the requests library.

All tests pass, and no backwards incompatible changes are noted in the urllib3 docs.