[issue7504] Same name cookies

[Andrey Chichak]

Andrey Chichak <chch at kit.tomsk.ru> added the comment:

This is fix for rare problem. If I set 2 cookies:
sid=pub.GHoBitAWLt, path="/"
sid=cab.S97jUfeihM, path="/cab"
All browsers in Cookie header send for any URL '/cab*':
sid=cab.S97jUfeihM; sid=pub.GHoBitAWLt
Current implementation always returns Cookie['sid']=pub.GHoBitAWLt - wrong!
My patch resolve this problem and Cookie['sid'] returns first (nearest/deepest in path) cookie value, 
and also collects all same name cookies in dict Cookie._multi .

Name (_multi) may be wrong, and may be any other :o) .

Also I can update documentation, but my English is not so good ...

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7504>
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