* Added a streamhandler that does streams both in and out

* The RestDeserialisehandler now does streams and returns an object instead of string

OpenSim/Framework/Servers/BaseRequestHandler.cs

@@ -0,0 +1,35 @@
+namespace OpenSim.Framework.Servers
+{
+    public class BaseRequestHandler
+    {
+        public virtual string ContentType
+        {
+            get { return "application/xml"; }
+        }
+
+        private readonly string m_httpMethod;
+
+        public virtual string HttpMethod
+        {
+            get { return m_httpMethod; }
+        }
+
+        private readonly string m_path;
+
+        protected BaseRequestHandler(string httpMethod, string path)
+        {
+            m_httpMethod = httpMethod;
+            m_path = path;
+        }
+
+        public virtual string Path
+        {
+            get { return m_path; }
+        }
+
+        protected string GetParam(string path)
+        {
+            return path.Substring(m_path.Length);
+        }
+    }
+}