started to remove iisexpress.

NzbDrone.Api/ErrorManagement/ErrorPipeline.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Linq;
+using NLog;
+using Nancy;
+using NzbDrone.Api.Extentions;
+
+namespace NzbDrone.Api.ErrorManagement
+{
+    public class ErrorPipeline
+    {
+        private readonly Logger _logger;
+
+        public ErrorPipeline(Logger logger)
+        {
+            _logger = logger;
+        }
+
+        public Response HandleException(NancyContext context, Exception exception)
+        {
+            var apiException = exception as ApiException;
+
+            if (apiException != null)
+            {
+                _logger.WarnException("API Error", apiException);
+                return apiException.ToErrorResponse();
+            }
+
+            _logger.ErrorException("Unexpected error", exception);
+
+
+            return new ErrorModel()
+                {
+                        Message = exception.Message,
+                        Description = exception.ToString()
+                }.AsResponse(HttpStatusCode.InternalServerError);
+        }
+    }
+}