more relaxing of validation

Signed-off-by: Neil South <neil.south@answerdigital.com>

src/InformaticsGateway/Services/HealthLevel7/MllpClient.cs

@@ -218,7 +218,7 @@ private bool CreateMessage(int startIndex, int endIndex, ref string data, out Me
                 var text = data.Substring(messageStartIndex, endIndex - messageStartIndex);
                 _logger.Hl7GenerateMessage(text.Length, text);
                 message = new Message(text);
-                message.ParseMessage(false);
+                message.ParseMessage(true);
                 data = data.Length > endIndex ? data.Substring(messageEndIndex) : string.Empty;
                 return true;
             }