Revision history for Perl tool rename.

1.8  Sun Sep 19 20:19:36
	- Ensure directories exist for backup files.
	
1.7  Sun Sep 19 19:47:47 2010
        - Fixed a long standing bug related to backup
	- Added --prefix, --basename-prefix and -z for --suffix
	- Updated documentation

1.6  Mon Aug 18 16:45:06 2008
	- inlined mkpath for better control of error messages.
	- turn of strict when evaling perl code.

1.5  Mon Aug 18 16:45:06 2008
	- use strict, added mkdir support, fixed small typos.

1.4  Wed Jan 26 18:13:50 2000
	- Added some error messages

1.3  Wed Jan 26 14:02:57 2000
	- fixed documentation

1.2  Wed Jan 26 12:46:45 2000
	- added --link-only option

1.1  Fri Apr  9 19:22:51 1999
	- original version