+ * improvement: GET-INTERNAL-REAL-TIME now reports the time since
+ startup, not time since first call to GET-INTERNAL-REAL-TIME.
+ * improvement: SAVE-LISP-AND-DIE explicitly checks that multiple
+ threads are not running after *SAVE-HOOKS* have run.
+ * improvement: writes to CLOS instance slots are type-checked in code
+ compiled with (SAFETY 3)
+ * improvement: floating-point exception handling should work on all
+ POSIX platforms (thanks to NIIMI Satoshi)
+ * bug fix: compiler bug triggered by a (non-standard) VALUES
+ declaration in a LET* was fixed. (reported by Kaersten Poeck)
+ * bug fix: file compiler no longer confuses validated and already
+ dumped structurres. (reported by Kaersten Poeck)
+ * bug fix: ADJUST-ARRAY :FILL-POINTER T on an array without a
+ fill-pointer signals a type-error as required. (thanks to
+ Lars Brinkhoff)
+ * bug fix: disassemly of funcallable instances works.
+ * bug fix: single stepping on PPC.
+ * bug fix: fix thread-safety problems in the type system (generally
+ manifesting as nonsensical errors like "STRING is a bad type specifier
+ for sequences" or "The value 1 is not of type FIXNUM")
+ * Improvements to the Windows port: