Version 0.9.13 - polishing the UI — Ancient Savo Steam update #534942

This version is all about polishing the user interface. I did a lot of internal testing, but I wouldn't be surprised if there are some minor bugs here and there, so feel free to report any oddities you might encounter! ADDED: The UI panel for main buttons now has a slider to adjust the game speed. This also means that no matter if the game is paused or not, with a quick glance you can check the chosen speed. ADDED: Some of the UI elements show details when clicked. There now is an option to make them display a tooltip info when hovered over. IMPROVED: When bartering or exchanging goods the items are now grouped by category. There is an option to show / hide item groups. And items can be sorted by name or by value. IMPROVED: The market dialog no more shows item values in abstract units, but compared to furs. IMPROVED: The game dialogs now try to adjust themselves so that they won't overla...