KouChat v0.9.6

• Changed message encoding to UTF-8
• Changed message size limits to use number of bytes instead of characters
• Better default colors for messages when no saved settings are found
• Enable sound by default when no saved settings are found
• Fixed a bug where the privchat window would show up even if there was
  no new messages when the user logged off
• Fixed NullPointerException when using ctrl+c to quit from console mode
• Added sound notification when popup is shown to ask to receive a file
• Fixed a bug where the logger would overwrite the log file instead of
  append to it if the option was enabled and disabled more than once