Defined keys(), values(), and items() in order to support dict-like client interface. Now, we throw exceptions if __getitem__() or __setitem__() is used when multiple domains are in jar.
Defined keys(), values(), and items() in order to support dict-like client interface. Now, we throw exceptions if __getitem__() or __setitem__() is used when multiple domains are in jar.

psf/requests,Bluehorn/requests,revolunet/requests,revolunet/requests