strdup(), strcasecmp(), strncasecmp().  Should test to see
if these are truely needed.  Hopefully their addition will
not break other platforms.

This will allow us to substitute malloc() at a later date.

Added new developer todo list.

Don't support ./.ldaprc...  can be spoofed to easily.

Sync portable.h.nt with portable.h.in

Add ac/bytes.h to provided sized types.
Use new sized type in md5/sha1 header through simple typedef.
Should substitute old type for new everywhere.

not to require knowledge of byte order such that this check can be removed.