Update TODO for this rewrite

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Add support for gethostbyaddr_r(3)

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Fix: add missing optlen assignement in connect

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Add getpeername(2) support

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Add reentrant functions gethostby*

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Don't compile test/

The configure.ac is changed to remove all libc/libresolv signatures thus
making the test fail to compile.

Signed-off-by: David Goulet <dgoulet@ev0ke.net>