Merge pull request #116 from lxzan/dev

fix ipv6 client connection errors

Merge pull request #111 from lxzan/dev

v1.8.7

Merge pull request #109 from lxzan/writeReader

WriteFile

update remarks

Merge pull request #94 from lxzan/testing

Export GetSharding Method

Merge pull request #87 from lxzan/dev

improve the buffer pool

Merge pull request #86 from lxzan/dev

Fix: ReadMaxPayloadSize Limit

Merge pull request #81 from lxzan/dev

switch mutex

Merge pull request #77 from lxzan/testing

upgrade compress package

Merge pull request #76 from lxzan/testing

optimize writev method