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
This will do as a stop-gap until I figure out a more fault-tolerant
way of having deferred closes against the control connection work
without blocking.
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.