Initial update of README.md for recent API changes.
Initial update of README.md for recent API changes.

gk-brown/HTTP-RPC,gk-brown/WebRPC,gk-brown/HTTP-RPC,gk-brown/HTTP-RPC,gk-brown/WebRPC,gk-brown/WebRPC,gk-brown/WebRPC,gk-brown/WebRPC,gk-brown/WebRPC