Bug Fixes & Misc. Improvements — Astray Steam update #1123292

Upgraded to the latest stable version of Unreal Engine (4.7) Improved performance in the starting area, saving ~3ms per frame (the difference between 50 & 60 fps) The correct footstep sounds should now always play based on the surface the player is walking on Overhauled the saving & loading system. Saved games are no longer overwritten; each time the game is saved, a new save file is created Collision issues may be resolved. No falling through the world while testing, but that doesn't necessarily mean it's fixed Known Issues There's a rare bug (that also occurred in older versions) causing a saved game to become corrupt. We haven't been able to fix this issue but the changes to the save system means that if this bug does corrupt a save file, it can be deleted and you'll only lose one checkpoint worth of progress at most, rather than your entire game. We're still working to get this resol...