net: add unix stream & listener (#74) net: add tcp and udp support (#40)
fs: fix error handling related to changes in rustc (#69) op: fix 'already borrowed' panic (#39)
fs: add fs::remove_file (#66) fs: implement Debug for File (#65) fs: add remove_dir and unlink (#63) buf: impl IoBuf/IoBufMut for bytes::Bytes/BytesMut (#43)