Add support for batch JSON-RPC.
Add support for batch JSON-RPC.

Conflicts:
	src/bitcoinrpc.cpp

CoinGame/BCEShadowNet,CoinGame/NuShadowNet,CoinGame/BCEShadowNet,CoinGame/BCEShadow,CoinGame/NuShadowNet,CoinGame/BCEShadowNet,CoinGame/BCEShadow,CoinGame/BCEShadow,CoinGame/NuShadowNet,CoinGame/BCEShadow,CoinGame/BCEShadowNet,CoinGame/BCEShadowNet,CoinGame/NuShadowNet,CoinGame/NuShadowNet,CoinGame/BCEShadow