4.0.1

• Fixes #135
• Added --download-following argument
• Added proxy configuration file entry (e.g. proxy = https://192.168.1.1:8080)
• Added send_heartbeat configuration file entry (e.g. send_heartbeat = True)

Install using pip install git+https://github.com/dvingerh/PyInstaLive.git@4.0.1