* ``ROTATING_PROXY_LIST_PATH`` option allows to pass file name with a proxy list.
0.4
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* ``ROTATING_PROXY_BACKOFF_CAP`` option allows to change max backoff time from the default 1 hour.
0.3.2
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* fixed proxy authentication issue.
0.3.1
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* fixed OverflowError during backoff computation.
0.3
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* redirects with empty bodies are no longer considered bans (thanks Diga Widyaprana). * ``ROTATING_PROXY_BAN_POLICY`` option allows to customize ban detection for all spiders.