Improved tar support

Change-Id: I318b6f18e571c81a34752911bc9d009d726c7d14
diff --git a/MANIFEST b/MANIFEST
index 812c953..65f5f5a 100755
--- a/MANIFEST
+++ b/MANIFEST
@@ -102,6 +102,7 @@
 t/script/usage.t
 t/script/extract.t
 t/script/archive.t
+t/script/archive_tar.t
 t/script/config.t
 t/script/base.t
 t/corpus/archive.zip