Issue 361: MediaDownloader can't download drive export list (which includes query parameters)

Src/GoogleApis/Apis/[Media]/Download/MediaDownloader.cs

Index: Src/GoogleApis/Apis/[Media]/Download/MediaDownloader.cs
===================================================================
--- a/Src/GoogleApis/Apis/[Media]/Download/MediaDownloader.cs
 b/Src/GoogleApis/Apis/[Media]/Download/MediaDownloader.cs
@@ -15,6 15,7 @@
 */
 using System;
 using System.Linq;
 using System.IO;
 using System.Net.Http.Headers;
 using System.Threading;
@@ -189,7 190,26 @@
 throw new ArgumentException("stream doesn't support write operations");
 }
- var builder = new RequestBuilder() { BaseUri = new Uri(url) };
 RequestBuilder builder = null;
 var uri = new Uri(url);
 if (string.IsNullOrEmpty(uri.Query))
 {
 builder = new RequestBuilder() { BaseUri = new Uri(url) };
 }
 else
 {
 builder = new RequestBuilder() { BaseUri = new Uri(url.Substring(0, url.IndexOf("?"))) };
 // remove '?' at the beginning
 var query = uri.Query.Substring(1);
 var pairs = from parameter in query.Split('&')
 select parameter.Split('=');
 // add each query parameter. each pair contains the key [0] and then its value [1]
 foreach (var p in pairs)
 {
 builder.AddParameter(RequestParameterType.Query, p[0], p[1]);
 }
 }
 builder.AddParameter(RequestParameterType.Query, "alt", "media");
 long currentRequestFirstBytePos = 0;
@@ -219,8 239,20 @@
 // read the headers and check if all the media content was already downloaded
 var contentRange = response.Content.Headers.ContentRange;
- currentRequestFirstBytePos = contentRange.To.Value 1;
- long mediaContentLength = contentRange.Length.Value;
 long mediaContentLength;
 if (contentRange == null)
 {
 // content range is null when the server doesn't adhere the media download protocol, in
 // that case we got all the media in one chunk
 currentRequestFirstBytePos = mediaContentLength =
 response.Content.Headers.ContentLength.Value;
 }
 else
 {
 currentRequestFirstBytePos = contentRange.To.Value 1;
 mediaContentLength = contentRange.Length.Value;
 }
 if (currentRequestFirstBytePos == mediaContentLength)
 {