Tun-azumi_V1.6

Added socket buff
Might add yamux after the initial test
Worker removed for now
keepalive, tcpnodelay and other options are intact.
Removed nonce & sha 256 hash key and added public key and private key instead of secret key authentication method.

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Usage :
Enable yamux : -smux
Enable keepalive : -keepalive 10
Enable tcpnodelay : -tcpnodelay
Enable extensive logging and saving : -v
server side : -pub-key=/root/keys/public_key.pem
client side : -priv-key=/root/private_key.pem
Socket enable : -sock
Socket buffer size : -sockbuff=1048576

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key creation :
openssl genrsa -out private_key.pem 2048
openssl rsa -pubout -in private_key.pem -out public_key.pem

After test, I will release it with the script.