** use the whole of the positive-fixnum range for SXHASH of fixnums
* enhancement: The error message when calling an undefined alien function
includes the name of the function on x86-64.
+ * enhancement: sb-ext:run-program now supports :environment on windows.
* bug fix: forward references to classes in fasls can now be loaded.
(lp#746132)
* bug fix: don't warn on a interpreted->compiled function redefinition