Changes

* On dump, the <code>--external unix[id]</code> says that socket with <code>''id''</code> is OK to be disconnected

* On dump, the <code>--external unix[id]</code> says that socket with <code>''id''</code> is OK to be disconnected

* On restore, the <code>--external ''id''[=''path'']</code> says that the socket <code>''id''</code> should be reconnected back to the path it say on dump (or to the specified <code>''path''</code>) (THIS IS IN PLANS!)

* On restore, the <code>--external unix[''id'']:''path''</code> says that the socket <code>''id''</code> should be reconnected back to the path it say on dump (or to the specified <code>''path''</code>) (THIS IS IN PLANS!)

=== socketpair ===

=== socketpair ===