Deal with all the -withoutworldwritables distributions.

These are an artifact of a security vulnerability in manually making archives
on Windows, they could wind up installing world writable files.  I think
PAUSE auto generated them?  I'm not sure.

Most of them are wholly redundant with another release and have been
skipped.

Some are unique releases and have been retained.

Also:
* Spotted the mess in JCROCHON and made the best of it.

For #118