def OpenSearch(opts={}) 
      @base = URI.parse WORLDCAT_OPENSEARCH
      opts["wskey"] = @wskey
      xml = do_request(opts)
      return OpenSearchResponse.new(xml)
    end
def OpenSearch(opts={}) 
      @base = URI.parse WORLDCAT_OPENSEARCH
      opts["wskey"] = @wskey
      xml = do_request(opts)
      return OpenSearchResponse.new(xml)
    end
The constructor which must be passed a valid base url for an oai
 service:

 If you want to see debugging messages on STDERR use:
 :debug => true
 Equivalent to a Identify request. You'll get back a OAI::IdentifyResponse
 object which is essentially just a wrapper around a REXML::Document
 for the response.