def set_evercookie(key, value)
      session[Evercookie.hash_name_for_saved] = {} unless
        session[Evercookie.hash_name_for_saved].present?
      session[Evercookie.hash_name_for_saved][key] = value
    end
def set_evercookie(key, value)
      session[Evercookie.hash_name_for_saved] = {} unless
        session[Evercookie.hash_name_for_saved].present?
      session[Evercookie.hash_name_for_saved][key] = value
    end
Set evercookie value to session
 == Examples:
   set_evercookie(:key, :value)