marsh8

Hi, and thanks for useful captcha app. It should have better performance with some sessions settings (Memcached sessions for example). I'll write additional tests after passing all of Travis' checks.

upd: minor fixes and few tests. known issue: django 1.4 don't have SessionStore.clear_expired() function. store.remove_expired() will be skipped for django 1.4. It would be nice if you could add this...

Hi. I tried that too, but it didn't go so well. Storages broke some test (differences in structure, SessionStore can't use objects.get(...), additional characters in hashkey etc). It's either rewriting...