- refactored accept code to automatically setup peers for incoming connections immediately upon connect. previously, this wasn't done until the server called accept, creating a small window of time for peer message events to be lost
 - renamed send_queue to dgram_send_queue just so its purpose is more clear
fix gethostbyname_r types
 - added readFile and writeFile helpers
 - prefixed private functionality
 - added default modes to mkdir / mkdev
prefixed private functionality
updated unistd and fs_base tests to use new FS APIs