Merge pull request #140 from splitbrain/tar

_test/tests/inc/tar.test.php

_test/tests/inc/tar/foobar/testdata2.txt

_test/tests/inc/tar/longpath-gnu.tgz

_test/tests/inc/tar/longpath-ustar.tgz

_test/tests/inc/tar/tarbomb.tgz

_test/tests/inc/tar/test.tar

_test/tests/inc/tar/test.tbz

_test/tests/inc/tar/test.tgz

_test/tests/inc/tar/testdata1.txt

_test/tests/inc/tarlib.test.php

inc/Tar.class.php

inc/TarLib.class.php

inc/load.php

lib/plugins/plugin/classes/ap_download.class.php