Small error in Sitemap.xml priority values generation + fix

ServiceStack Plugins
1

In SitemapFeature.cs, method

public override void ProcessRequest(

The priority should be added to the XML like so:
if (url.Priority != null)
xml.AppendLine(" {0}".Fmt(url.Priority.Value.ToString(CultureInfo.InvariantCulture)));

On a non-US machine, the priority could be 0,5 instead of 0.5.

2

Should be resolved with this commit.