from preamble:

"Change Set:		ArchiveFixes2-nk
Date:			12 November 2002
Author:			Ned Konz

This fixes zip archive extraction so that:

- directories are created as needed
- zip members with absolute path names or '..' portions have their names
cleaned up so they don't cause security problems when extracted

This will allow (for instance) Connectors to install properly from
SqueakMap.

I will include the appropriate methods with a new version of the
SARInstaller code on SqueakMap.
"!
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