* performance bug fix: GETHASH and (SETF GETHASH) are once again
non-consing.
* optimization: STRING-TO-OCTETS is now up to 60% faster for UTF-8.
+ * optimization: MEMBER can now be open-coded for all combinations
+ of keyword arguments when second argument is constant, and in other
+ cases a specialized version is selected.
* bug fix: using obsoleted structure instances with TYPEP and
generic functions now signals a sensible error.
* bug fix: threads waiting on GET-FOREGROUND can be interrupted.