Files
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zip.lisp, sbcl.lisp, acl.lisp
	Copyright (c) 2004,2005 David Lichteblau <david@lichteblau.com>
        Lizenz: (L)LGPL
	COMPRESS function taken from Zachary Beane's salza.
        Changes copyright (c) 2004 knowledgeTools Int. GmbH

inflate.lisp
        copyright (c) 1986-2000 Franz Inc, Berkeley, CA
        (moved into the "ZIP" package, no other changes)