evz-vboxmanage: add sleep

bin/evz-vboxmanage

@@ -130,6 +130,13 @@ case $CMD in
 	    todo docmd ker restart $i
 	done
 	;;
+    sleep)                         # HELPCMD: sleep (savestate) virtual machine(s)
+	LIST="$(get_list "$@")"
+	for i in $LIST ; do
+	    info "Sleepign $i ..."
+	    docmd vboxmanage controlvm $i savestate
+	done
+	;;
     list|ps)                            # HELPCMD: list available virtual machine(s) (use -q|-1 for list only ID, list -a for list ever stopped virtual machines)
 	# if -q, just id list
 	if [ -z "$verbose" ] || [ "$1" = "-1" ] || [ "$1" = "-q" ] ; then