Allow passing options collection to Request method for stream requests

Author: ginach

Templates/CSharp/Requests/IStreamRequestBuilder.cs.tt

@@ -44,7 +44,8 @@ namespace <#=namespaceValue#>
         /// <summary>
         /// Builds the request.
         /// </summary>
+        /// <param name="options">The query and header options for the request.</param>
         /// <returns>The built request.</returns>
-        I<#=propRequest#> Request();
+        I<#=propRequest#> Request(IEnumerable<Option> options = null);
     }
 }

Templates/CSharp/Requests/StreamRequestBuilder.cs.tt

@@ -56,10 +56,11 @@ namespace <#=namespaceValue#>
         /// <summary>
         /// Builds the request.
         /// </summary>
+        /// <param name="options">The query and header options for the request.</param>
         /// <returns>The built request.</returns>
-        public I<#=propRequest#> Request()
+        public I<#=propRequest#> Request(IEnumerable<Option> options = null)
         {
-            return new <#=propRequest#>(this.RequestUrl, this.Client, null);
+            return new <#=propRequest#>(this.RequestUrl, this.Client, options);
         }
     }
 }