fix buffer reusing problem. Issue #8.
refactor
refactor
refactor
move link-demo into examples folder
update README
refactor Session.Read()
add session close event and auto remove session from server and channel when session close
refactor
refactor buffer reusing
add mutex to packet reader
remove mutex from packet reader
refactor
rename
improve message type.
update README and examples
fix bug
optimize
merge
improve message buffer design.