codex.tst	snarf uuencode tests, add { rot13 iconv }

recode uuencode to use -lcodex: meth->data may be exported by <uu.h>
recode iconv to use -lcodex

code-zip	combine { code-huff code-explode code-inflate }

code-pzip	pzip[:partition-file-path]
code-bzip	pzip[:partition-file-path]
code-compress

code-bx		snarf from libuu
