Add test for session cookiejars other than RequestsCookieJar
Fix crash when session.cookies was not a RequestsCookieJar
Fix cookielib import
Add another session cookie test
Fix session CookieJars without breaking more stuff this time
Merge pull request #1328 from gazpachoking/session_cj_fix

Session CookieJar fix
A tiny typo, noticed while working on the Polish translation.
Merge pull request #1330 from Kwpolska/patch-1

Fixing a tiny typo, noticed while working on the Polish translation