+2004-09-27
+ * modified native EM engine to use integrated R'n'D sound system
+
+2004-09-21
+ * added SDL support to graphics functions in native EM engine
+ (by always using generic libgame interface functions)
+
+2004-09-20
+ * fixed bug in frame synchronization in native EM engine
+
+2004-09-18
+ * added code to convert levels between R'n'D and native EM engine
+
+2004-08-23
+ * new Emerald Mine engine can now play levels selected in main menu
+