gen_multicall

# File lib/xmlrpc/client.rb, line 548
    def gen_multicall(methods=[], async=false)
      meth = :call2
      meth = :call2_async if async

      ok, params = self.send(meth, "system.multicall",
        methods.collect {|m| {'methodName' => m[0], 'params' => m[1..-1]} }
      )

      if ok
        params = params.collect do |param|
          if param.is_a? Array
            param[0]
          elsif param.is_a? Hash
            XMLRPC::FaultException.new(param["faultCode"], param["faultString"])
          else
            raise "Wrong multicall return value"
          end
        end
      end

      return ok, params
    end