+2013-10-23
+ * version 3.3.1.0 released
+
+2013-10-21
+ * version number set to 3.3.1.0
+
+2012-10-13
+ * fixed display of level time switching from ascending to descending
+ when making use of the "time orb bug" (see element setting in editor)
+ (see level 053 of set "rnd_equinox_tetrachloride_ii" for an example)
+ * fixed graphics performance problems (especially on Mac OS X) by using
+ whole-playfield redraw on SDL target, while still using the previous
+ single-tile redraw method on X11 target (using redraw tiles threshold)
+