Raw versions of PUB and SUB socket added

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
Implement retrying in efd_win, fixes "Address in use" problem

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
Pavlo Kapyshin added to AUTHORS file.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
Fix format specifier for uint64_t (fixes #205)