Previous documentation was not clear if the geturl(), info() and getcode()
were valid for HTTP responses. The “msg” attribute is different to the usual
HTTPResponse.msg attribute. Based on patch by Evens Fortuné.

Based on patch by Christian Heimes.

__getattr__.  Original patch by Antoine Pitrou.

__getattr__.  Original patch by Antoine Pitrou.

into separate file test_ordered_dict.

into separate file test_ordered_dict.

__bytes__, __trunc__, and __float__ returning instances of subclasses of
bytes, int, and float to subclasses of bytes, int, and float correspondingly.

__bytes__, __trunc__, and __float__ returning instances of subclasses of
bytes, int, and float to subclasses of bytes, int, and float correspondingly.

invalid data including tuple instructions.

invalid data including tuple instructions.

No charset parameter is standardized for this Content-Type value. Also
clarify that urlencode() outputs ASCII.

entries.  Patch by Dingyuan Wang.

entries.  Patch by Dingyuan Wang.

Added new tests for Element slice assignments.