- an adjustment in samples of RTT, always pick the segment with largest sn in one packet.
- use copy instead of xor for efficient zeroing of slice.
$ go version
go version go1.9.2 darwin/amd64
825ccca
xtaci/kcp-go@69dab7f
xtaci/smux@ebec7ef
https://github.com/templexxx/reedsolomon/tree/0.1.1
70fd0e8a5bf9c97e2c5e0262c5d4effda9cead52 kcptun-linux-amd64-20171113.tar.gz
b6dfc944eeba195dd9635d7fbde269863232bc1b kcptun-linux-386-20171113.tar.gz
38f4ee4d55045fe26eff1f1cab6cb67b0cd238f6 kcptun-darwin-amd64-20171113.tar.gz
68aba13e92ebf34fe92c91d88cd569fce66fb2ad kcptun-darwin-386-20171113.tar.gz
f496a3e5d04719155103c08288b1e8be0b083cfa kcptun-windows-amd64-20171113.tar.gz
b85e534befc6ee6b7f5082b47d84cc30132ce0de kcptun-windows-386-20171113.tar.gz
08ea6c5c0f8cff565a04b2cd18c5c02c68700f9a kcptun-freebsd-amd64-20171113.tar.gz
71b9fb9a73a3c4ede0425d1b8506ea9633c70351 kcptun-freebsd-386-20171113.tar.gz
3495eed3b1a3a948ea4c7bcf4e1e91861962f9e6 kcptun-linux-arm-20171113.tar.gz
044d5f2c425e9c3a1f1f970892c7725474e11b8b kcptun-linux-mipsle-20171113.tar.gz
56b857df793863ba6415e3832c82a4d842cbb67b kcptun-linux-mips-20171113.tar.gz