SBCL 1.0.22 released

SBCL 1.0.22 has been released.  Release notes:

changes in sbcl-1.0.22 relative to 1.0.21:
  * minor incompatible change: LOAD-SHARED-OBJECT no longer by default looks
    for the shared object in the current directory, but passes the native
    namestring of the designated pathname to the operation system's shared
    object loading function as-it.
  * minor incompatible change: --disable-debugger toplevel option now takes
    effect before processing of initialization files and --eval or --load
    options.
  * new feature: new commandline argument: --script, which supports
    shebang lines. See documentation for details. (based on work by
    Kevin Reid)
  * new feature: SAVE-LISP-AND-DIE can save current values of
    --dynamic-space-size and --control-stack-size in the executable core,
    causing it to skip normal runtime option processing. See documentation
    for details. (thanks to Zach Beane)
  * enhancement: inoccous calls to EVAL or generic functions dispatching
    on subclasses of eg. STREAM no longer cause compiler notes to appear.
  * enhancement: the system no longer resignals errors from --load and
    --eval toplevel arguments as SIMPLE-ERRORS, which caused restarts
    associated with the original error to be lost. (thanks to Ariel
    Badichi)
  * enhancement: :DONT-SAVE keyword argument has been added to
    LOAD-SHARED-OBJECT for controlling interaction with
    SAVE-LISP-AND-DIE, and UNLOAD-SHARED-OBJECT can be used to undo
    the effects of an earlier LOAD-SHARED-OBJECT call.
  * bug fix: ADJUST-ARRAY on multidimensional arrays used bogusly give
    them a fill pointer unless :DISPLACED-TO or :INITIAL-CONTENTS were
    provided. (reported by Cedric St-Jean)
  * bug fix: circularity handling in the reader did not treat raw
    structure slots correctly. (reported by Cedric St-Jean)
  * bug fix: SERVE-EVENT occasionally signaled an error about bogus
    file descriptors when there were none.
  * bug fix: DEFINE-COMPILER-MACRO support of destructuring lambda-lists
    was broken. (reporteed by Willem Broekema)
  * bug fix: SB-EXT:NATIVE-NAMESTRING on Windows did not work on
    pathnames without a directory.
  * bug fix: COMPILE-FILE did not warn about undefined variable
    references at toplevel, and LOAD of the resulting fasl did
    not signal an error.
  * bug fix: functions with non-required arguments used to end up with
    (SB-C::&OPTIONAL-DISPATCH ...) as their name.
  * bug fix: redefining a function with non-required arguments didn't
    update the system's knowledge about its call signature properly.
  * bug fix: fixed #431; incompatible alien record type redefinitions
    are detected and handled. (reported by Neil Haven)
  * bug fix: using RESTRICT-COMPILER-POLICY with DEBUG 3 could cause
    PROGV miscompilation. (reported by Matthias Benkard, patch by Juho
    Snellman)
  * bug fix: on x86 and x86-64 backtraces were sometimes truncated
    after alien stack frames.
  * bug fix: strings passed to mk{s,d}temp lacked null termination

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