General
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- Write unit tests
- Write documentation

Zend_Http_Client
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- Implement digest HTTP authentication
- Implement proxy

Zend_Http_Cookiejar
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- Path overriding: currently, if you have cookies with the same name from 
  http://myserver/root/ and cookies from http://myserver/root/dir/ 
  and you access /root/dir/, the client will send all cookies, while the
  cookies belonging to /root/dir/ should override the /root/ cookies.

