default fallback options

[Yusoo]

url-loader v1.1.0

it work

          {
            loader: 'url-loader',
            options: {
              fallback: 'file-loader',
              limit: 10240,
              outputPath: 'img',
              name: '[name].[hash:8].[ext]',
            },
          }

no fallback, it not work

          {
            loader: 'url-loader',
            options: {
              limit: 10240,
              outputPath: 'img',     // not work
              name: '[name].[hash:8].[ext]',   // not work
            },
          }

[michael-ciniawsky]

It is a bug, fixed by #139 and will be released soon :)