def parse_tag_collection(body)
        dom  = parse_and_validate_response(body, :root_name => 'tags')
        dom.root.elements.collect('tag') { |xml| Tag.from_rexml(xml) }
      end
def parse_tag_collection(body)
        dom  = parse_and_validate_response(body, :root_name => 'tags')
        dom.root.elements.collect('tag') { |xml| Tag.from_rexml(xml) }
      end
Parses a response containing a collection of Tags
 and returns an array of <tt>WWW::Delicious::Tag</tt>.