Fixed text misalignment problem in Chinese versions

Changed to use options dialog

Updated so that the result dialog will not be shown if the opponent has disconnected before the game starts

Added support for chat

Updated structure of source codes

Added robot

Added time limit

Modified the playing time limit to 1 minute

Fixed a bug where robots may form incomplete melds

Fixed a bug where robots may form incomplete melds

Updated shuffling algorithm so that the result is more random

Fixed a bug about robots disobeying initial meld requirement

Added 8 language versions

Added 8 languages

Bug fix about initial meld requirements