* HttpServer fix for when a handler throws an exception but has already closed the response connection

* UUID.TryParse() on a null or empty string will now return false

git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@2275 52acb1d6-8a22-11de-b505-999d5b087335

OpenMetaverse/Types/UUID.cs

@@ -208,6 +208,12 @@ namespace OpenMetaverse
         /// <example>UUID.TryParse("11f8aa9c-b071-4242-836b-13b7abe0d489", result)</example>
         public static bool TryParse(string val, out UUID result)
         {
+            if (String.IsNullOrEmpty(val))
+            {
+                result = UUID.Zero;
+                return false;
+            }
+
             try
             {
                 result = Parse(val);