fix(client): #69 batch command use async socket

[jagu-sayan]

Add -c command using by loop_batch function Add recv_timeout to try to get all data in an amount of time instead of blocking indefinetly Use non blocking socket in batch command Use SO_REUSEADDR to avoid socket error when we run the client multiple times

[ghost]

This looks ok to me, good job. :fries:

[ghost]

This closes #69