def tags=(tags_array)
      as_strings = tags_array.collect { |tag| tag.to_s }
      self.service.setTags(as_strings.join(','))
    end
def tags=(tags_array)
      as_strings = tags_array.collect { |tag| tag.to_s }
      self.service.setTags(as_strings.join(','))
    end
Sets the tags on the template.  Note: a pre-existing tag will be
 removed from the template if it does not appear in the array given.
 The list of tags must be comprehensive.