====
URGENT - tables spawn
+ DONE - spawn of a table
+ DONE - data to cookies (removed table_idx from xhr calls also)
+ DONE - set subst to shutdowner/shutdowned
+ DONE - return to index.php
+ DONE - game's token
+ DONE - recover of corrupted table data
+
+ DONE - closure of a table
+ DONE - flush of the table
+
+ DONE - security checks for right scope access
+
+ garbage collector management
+ recursive garbage - howto ?
+ remove unused parts
+ move images
+ optimizations
+ inheritances
+
NORM - pubblic announcements
NORM - restart preload img