GetIndexSettings reverts back to old flatsettings behaviour (for now)

Author: Mpdreamz

src/Nest/ElasticClient-MappingIndex.cs

@@ -17,7 +17,7 @@ public partial class ElasticClient
 		public IIndexSettingsResponse GetIndexSettings(Func<GetIndexSettingsDescriptor, GetIndexSettingsDescriptor> selector)
 		{
 			return this.Dispatch<GetIndexSettingsDescriptor, GetIndexSettingsQueryString, IndexSettingsResponse>(
-				selector,
+				s=> selector(s.FlatSettings()),
 				(p, d) => this.RawDispatch.IndicesGetSettingsDispatch(p),
 				(c, d) => this.Serializer.DeserializeIndexSettingsResponse(c)
 			);
@@ -26,7 +26,7 @@ public IIndexSettingsResponse GetIndexSettings(Func<GetIndexSettingsDescriptor,
 		public Task<IIndexSettingsResponse> GetIndexSettingsAsync(Func<GetIndexSettingsDescriptor, GetIndexSettingsDescriptor> selector)
 		{
 			return this.DispatchAsync<GetIndexSettingsDescriptor, GetIndexSettingsQueryString, IndexSettingsResponse, IIndexSettingsResponse>(
-				selector,
+				s=> selector(s.FlatSettings()),
 				(p, d) => this.RawDispatch.IndicesGetSettingsDispatchAsync(p),
 				(c, d) => this.Serializer.DeserializeIndexSettingsResponse(c)
 			);

src/Nest/QueryStringParameters/FluentQueryString.cs

@@ -17,7 +17,7 @@ public abstract class FluentQueryString<T> where T : FluentQueryString<T>
 
 		public T Add(string name, object value)
 		{
-			_QueryStringDictionary.Add(name, value);
+			_QueryStringDictionary[name] = value;
 			return (T)this;
 		}