Record state of variables mapped to time

This is a first step to support concepts described by Bret Victor on http://worrydream.com/LearnableProgramming/

This should improve Python testing experience by order of magnitude, especially in unknown codebases

Ideal view:

Current implementation:

Double click to open variable snapshot value in new tab:

Multiple runs/variables at same time are supported

Download alpha build of connector plugiin

Other fixes : Fixed issue when unittest lib might not be loaded

gleb-sevruk / pycrunch-engine