Dont unlink when testing !

Always preserve creation date
Disable the -p option its for modification date
Remove some cpio header debugging noise
Syncronise file listing behaviour with upstream.

include/unarchive.h

@@ -5,6 +5,7 @@
 #define ARCHIVE_CREATE_LEADING_DIRS		2
 #define ARCHIVE_EXTRACT_UNCONDITIONAL	4
 #define ARCHIVE_EXTRACT_QUIET	8
+#define ARCHIVE_EXTRACT_NEWER	16
 
 #include <sys/types.h>
 #include <stdio.h>