monkey patch for cookiejar 0.3.2 to correct domain-matching algorithm. see: http://tools.ietf.org/html/rfc6265#section-5.1.3

cookie_validation.rb

module CookieJar::CookieValidation
  def self.domains_match tested_domain, base_domain
    base = effective_host base_domain
    domain_matches = if tested_domain =~ IPADDR
      tested_domain == base
    else
      tested = tested_domain.downcase
      tested = tested[1, tested.length - 1] if tested.start_with? '.'
      tested == base || base.end_with?(tested) && base[-tested.length - 1] == '.'
    end
    tested_domain if domain_matches # for compatibility
  end
end