v2.1

The application has been brought to a usable state

Here is a short list of changes in version 2.1:

• Added app icon
• Improved encryption (added IV)
• Added server logging
• Add server down message for clients
• Fixed bugs (5)

List of fixed bugs:

• Client receiving empty messages from server </>
• Some encryption errors </>
• Server throws ConcurrentModificationException when user disconnects </>
• Server does not close user thread after user disconnects </>
• The server tries to receive messages from disconnected users </>