def set_evercookie(key, value)
      session[Evercookie.hash_name_for_set] = {key: key, value: value}
      render inline: "<%= javascript_include_tag 'ec', evercookie_set_path -%>"
    end
def set_evercookie(key, value)
      session[Evercookie.hash_name_for_set] = {key: key, value: value}
      render inline: "<%= javascript_include_tag 'ec', evercookie_set_path -%>"
    end
Generates javascript for setting evercookie
 == Example:
   <%= set_evercookie(:key, :value) %>