Major version bumped (by me) since the ftpGet() public interface has
changed (an "int *" becomes and "off_t *")
Submitted by: Jason Thorpe <thorpej@nas.nasa.gov>, PR#1640
2. Remove pkg_* support - tcl7.5's channel interface has rendered this
almost entirely unsupportable (at least in the way it currently stands).
Submitted-By: jmz & jkh
from jmz was a hopeless kludge (sorry Jean-Marc :) and handled the problem
in the wrong way. ftpRestart() has now gone away and ftpGet() has grown a
new parameter.