Initial sorting order of the gamelist.
Games that require different mods than the ones launched by the current player are grayed out.
Color for the player count number in the games list.
These are all keys that occur in a gamelist stanza sent by XPartaMupp.
Compatible games will be listed in these colors.
Called from GameList to ensure call order.
This function computes values that will either certainly or most likely be used later (i.e. by filtering, sorting and gamelist display). The performance benefit arises from the fact that for a new gamelist stanza many if not most games and game properties did not change.