Revert "Merge pull request #2 from zopefoundation/achapman-lenient-cookie-parsing"

This reverts commit f9a67a94a323500eab1bd7763b912d9028c6fcc9, reversing
changes made to c946fd8a80d6d3cc4c1eb03b0014478b058c54d6.
update tests for latest, stricter Cookie implementation
Merge pull request #5 from jamur2/cookie-fix

Cookie fix