Add env folder to gitignore
Add requirements.txt

Use pip install -r requirements.txt to install the necessary packages.
Add Hello World example for REQ/REP

Basic example code for REQ and REP sockets.
Add the second client for hello world program

This takes the command line arguments for sleep and text to send.
Add example for stock ticker server/client for PUB/SUB
Add example for pipeline processing.

Extract the title from XKCD comics.
Remove unnecessary imports