Cookie thoughts

[xsawyerx]

Some ideas:

• Use Cookie::Baker - opened Move to HTTP::XSCookies (was: Move to Cookie::Baker) #1087 for it.
• Remove overloading in the Cookie object?
• Add values attribute to cookies.
• Deprecate calling value in list context.
• Immutabilize cookies.

[simbabque]

This doesn't look very beginner suitable. :P