3.4 => 3.5 Changes

3.4 - 3.5
- Bug fixed: cart_ctrl -i aborted on unreadable tape
- Minor implementation enhancements e.g. for performance
- MacOS-X (10) supported, at least the client side has been tested
- Support for barcode tape labels, thus
- cart_ctl notably extended: Detailed listings, attribute assignments,
cartridge descriptions etc.
- Usage output of server and mserver corrected
- Bug fixed: When packing (backup) with an external processing command
(e.g. compression) and later during unpack the reverse processing
command can not be executed, the afclient program terminated without
any message