- mouse disappearing bugfix (go ahead alt-tab, alt-esc, do it ALL, its fixed!)

- Added more descritive error message when data checksum is discovered. The client's playername is now disclosed in the error.
- added VS project config to disable STREFLOPs for testing later
- updated version to 3.3.5.1 alpha1

source/shared_lib/include/platform/sdl/window.h

@@ -94,6 +94,7 @@ const char vkRight = -9;
 const char vkDown = -10;
 const char vkReturn = -11;
 const char vkBack = -12;
+const char vkTab = -13;
 
 enum WindowStyle{
 	wsFullscreen,
@@ -134,6 +135,7 @@ protected:
 	static bool isActive;
 	static bool no2DMouseRendering;
 	static bool allowAltEnterFullscreenToggle;
+	static int lastShowMouseState;
 
 public:
 	static bool handleEvent();