readme: pipe stdin

I think that the intention here was to pipe `stdin` to the client so that typing on the keyboard would send data to the server. Since `stdout` is write-only it dosen't make sense to pipe it anywhere.
fix Socket#end
fetch data from stdin
removed modules that are not being used
Merge pull request #6 from maraoz/fix/Socket.end

fix Socket#end()
Merge pull request #8 from braydonf/remove-unused-dependencies

removed modules that are not being used
Merge pull request #5 from LinusU/patch-1

readme: pipe stdin