22 nov 2018: Version 1.0b
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22 nov 2018: Added auto save/load unfinished game.
22 nov 2018: fixed and tune up of the AI.
23 nov 2018: is_it_draw(): fixed a bug. eg: scores 106 45 45 20 was considered a draw!
23 nov 2018: auto_centering: fixed minor bug.
23 nov 2018: load_saved_game(): 1- initialisation of jack_diamond_played variable.
                                2- more file integrity check (FCORRUPTED).

27 nov 2018: Version 1.1b
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27 nov 2018: added statistics of the game play.
27 nov 2018: fixed: can_break_heart(): a rare bug could occur to break heart early.
27 nov 2018: fixed: windows resize(), small GUI glitch.
27 nov 2018: added: Source code link to the about -> credits.
27 nov 2018: removed: GUI toolskit.
27 nov 2018: auto_save_game() system -> don't save fresh started new games.

27 nov 2018: Version 1.1.1b "Unreleased"
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27 nov 2018: fixed elusive reentrant bug in new_moon substract. if you shoot the moon with
             a score of less 52 and choosed to susbtract. A bug was triggered.
29 nov 2018: fixed autosave() not saving on "fresh game" instead of not saving on "fresh round".

10 dec 2018: Version 1.2b
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10 dec 2018: Redesign of the AI to make diffent computers playing styles. (an attempt)
10 dec 2018: added: cards history as a debuging tools, cheat mode has been moved to debug section.

26 Feb 2019: Version 1.2.1b "Unreleased"
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26 Feb 2019: Fix minor draw bug.

11 Jul 2019: Version 1.3b
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11 Jul 2019: Modified the GUI. The cards are now bigger and they fit on a single row. (overlapping)
11 Jul 2019: Added: Basic language support for: French, Russian.
11 jul 2019: Added a class for deck cards set. 

15 Jul 2019: Version 1.4b
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15 Jul 2019: Added Settings [Easy card selection].
15 Jul 2019: Added Card deck support for (English, Russian).
15 Jul 2019: Fixed a crash bug in Debug mode. (spying)

03 May 2020: Version 1.5b
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03 May 2020: Added Online game play.
03 May 2020: Added QT Linguist support.

10 May 2020: Version 1.5.1b
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10 May 2020: Fixed compile errors when DEBUG is disabled.
10 May 2020: Downgraded to Qt creator 3.5 to support Qt 5.5.
10 May 2020: Added: missing translation .ts files.
10 May 2020: Minor statistics gui glitch fixed.
10 May 2020: Minor fix in can_break_heart.
10 May 2020: Minor online issues fixed.
10 May 2020: Added: Menu help->Online.
10 May 2020: Added: online button [Start] to start a game.
10 May 2020: Added: confirmation to the online button [Exit]. 

16 May 2020: Version 1.5.2b
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16 May 2020: Added online time bank.
16 May 2020: Added an error function.
16 May 2020: Fix minor bugs, and code cleanup.

29 May 2020: Version 1.5.3b
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29 May 2020: Added online buttons icons.

12 Nov 2020: Version 1.5.4
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30 Nov 2020: Fixed a typo.
12 Nov 2020: [DEBUG] Cards history now highlight every hand winners.
12 Nov 2020: [DEBUG] added a cards played list.
12 Nov 2020: [DEBUG] Switching to a different cards deck doesn't erase the cards history anymore.
12 Nov 2020: Hide the button (command, chat, help) and the line edit during offline play.

17 Nov 2020: Version 1.5.5
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17 Nov 2020: Moved menu About/Credits into menu Help.
17 Nov 2020: Moved menu Languages into menu Settings.
17 Nov 2020: Added Settings Game Speed: Slow, Normal, Fast. (Offline play only)
17 Nov 2020: Added Settings Auto Start. This option set if the two of clubs is played
             automatically or manually. (For human play)

28 Nov 2020: Version 1.6
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28 Nov 2020: New game GUI. (showing all 4 players cards)
28 Nov 2020: Animated play.
28 Nov 2020: Speed tune-up.
28 Nov 2020: Code clean-up.
