+2014-05-15
+ * removed MS-DOS support
+
+2014-05-14
+ * cleanup of functions RedrawPlayfield() and BlitScreenToBitmap()
+
+2014-05-13
+ * fixed level redraw after quick-loading tape with small tile graphics
+
+2014-03-03
+ * added compatibility code for existing request door animation settings
+
+2014-03-01
+ * added ultra-generic, ultra-flexible request door animation handling
+
+2014-02-18
+ * fixed major bugs in handling single-player and multi-player tapes
+ (for details, see http://www.artsoft.org/forum/viewtopic.php?t=2086)
+