+0.5.2:
+ * another attempt at fixing the x86 crashes.
+
+0.5.1:
+ * another attempt at fixing the x86 crashes.
+
+0.5:
+ * lots of bug fixes
+ * tweaks to engine and explosion graphics and new font
+
+0.4:
+ * Rocks now bounce off each other, and are pushed by particles.
+ * Now with two difficulties: normal and easy.
+ * Better new ship placement after you die.
+
+0.3:
+ * Scrolls to the right so you can zoom ahead.
+ * Fully random rock generation; rocks no longer wrap vertically.
+ * Rocks' relative speeds are now uniform in all directions (i.e. much more
+ up/down speed variation). Noticeably hard...err...more "interesting".
+ * Command-line option --game-speed.
+
+0.2:
+ * New graphics, generated by POV-Ray. Yeah, okay, the ship is really cheezy.
+ At least the rocks are cool.
+ * Real collision detection; no more "ship is 1 pixel bigger all around
+ than it looks."
+
+0.1: