then all packages would be deinstalled!
The tightening up of version number checking also fixes a bug where
a package file such as gtk.tgz would have resulting in gtk-engines
being deinstalled.
$file not be what you expect, particularly should $file turn out to be
"+REQUIRES" since ">+" is a valid open mode.
This isn't currently a problem since $file is constructed safely but it removes the potential of future problems.
Pointed out by Anton Berezin.
