unit to parse mitmproxy tnetstring-based traffic captures

[larsborn]

mitmproxy is able to create tnetstring-based traffic captures (with the -w CL switch). This unit is able to parse out payloads from these files (by pulling in mitmproxy as a dependency though).

[jhhcs]

I expected nothing less from you, but would you look at all the green checkmarks on this page. All. checks. have. passed.