refactor 'client' to SocksToRTC.Peer
clean tcp.ts debt
refactor Socks.ClientConnection to Socks.Session
rename client and server -> socks-to-rtc and rtc-to-net
tsafy Net.Client
refactor server peer to RTCToNet.Peer
Merge pull request #10 from uProxy/ts-refactor

ts refactor #1