Added content-length in ServletResponse.
Added @since javadoc tags.
Changed version to 1.0.2.
Added a mechanism to query version number.
DialogueServlet.java: Extracted constants.
DialogueServlet: Stopping session container in destroy().
Making destroy() final.
Adding value of interpretation in results from quick panel.
Changed version to 1.0.3.
Fixed problem preventing a variable declaration not to have an initial value.
Session.java: Not trying to invalidate an HttpSession already invalidated.
Session.java: making stop synchronized.
SynchronousDialogueChannel.java: making some fields volatile.
SynchronousDialogueChannel: Not sending last step if stopped.
DialogueServlet: cleaning MDC after usage.
DialogueServlet: added logger.
DialogueServlet: Avoiding destroying servlet more than once.
DialogueServlet: Fixed typo in message.
DialogueServlet: Destroying servlet if fails to initialize.
DialogueServlet: Renamed a variable.
DialogueServlet: Added a trace.