2018.04.19, Version 1.20.1 (Stable) Changes since version 1.20.0: * doc,fs: improve documentation (Bob Burger) * win: return a floored double from uv_uptime() (Refael Ackermann) * doc: clarify platform specific pipe naming (Thomas Versteeg) * unix: fix uv_pipe_chmod() on macOS (zzzjim) * unix: work around glibc semaphore race condition (Anna Henningsen) * tcp,openbsd: disable Unix TCP check for IPV6_ONLY (Alex Arslan) * test,openbsd: use RETURN_SKIP in UDP IPv6 tests (Alex Arslan) * test,openbsd: fix multicast test (Alex Arslan) * Revert "win, fs: use FILE_WRITE_ATTRIBUTES when opening files" (cjihrig)