add API description
add version description to README
test suite renamed from "tests.sst" to "tests.js" by request.

this rename is because of SushiJSON is not equal JSON but syntax is
similar & easy to see under JavaScript syntax.
add SublieSocketServerTests.js
append Transfer system.
add HTTP Server implementation
renamed from "Method" to "Protocol"
add ByteDataServer
fix WebSocket server impl. abort reverse-proxy implementation
add ByteDataServer & tests.
fix RunSushiJSON protocol bug. can run.
update test.
add empty implementation of sendMessage to ByteDataServer, RunSushiJSONServer and TailMachine.
update handle state
remove print
Merge branch 'dev'