added contrib section, generated AUTHORS file from commit log
fix compile error in debug builds
Merge pull request #33 from benjamg/feature/contrib

Feature/contrib
recv returns false if first message frame gives EINTR
handle either completion or returning false on EINTR depending on frame
treat EINTR as timeout during poll
Merge pull request #34 from benjamg/feature/cleanly_handle_eintr

Feature/cleanly handle eintr