add .length to linklist
add util
remove `task` file
remove .length property from linklist
add operations
refactor port.js
move ws to gocsp-ws
move fs to gocsp-fs
move http to gocsp-http
add read support for coroutine

we can do `var answer = yield ‘I am question’ ` now
remove outdated file
use bluebird instead of native promise
remove .fun method
update README.md
fix bugs, remove outdated API