Python: Add exception stack, class namespaces

Q: Why are you doing this?
A: For the glory of Satan of course
Add PolarPoint, convert from Cartesian, Math
Add unit tests
Tests for CartesianLine
Python: add is-a function validation

Also get class by full name

Q: What is wrong with you?
A: I like writing complex stuff for no good reason

Q: This can't possibly be productive
A: I've written almost 1KLOC for Python.js in 2 days, that's got to be
productive
Python: Name bound functions properly

Q: You bet you think that reality is quite simple
A: You are the first person to get me

Q: I am you
A: I think I've been writing too much Python.js code
Add basic logger
Pyhon: default toString, UID for objects

Q: Are afraid or do you hope that people will look at this?
A: Yes
Add Sections.Compute
Python: a few fixes

1. Is instance now works
2. Don't allow undefined as passed argument
3. Hint if we pass Python object, instead of dict for kwargs

Q: What's your opinion on BDSM?
A: Underrated
Add logger.toggle for mute/unmute
Fix Math(!)

You know you fucked up when you can't get basic math right
ComputeSections: add without conflicts
Draw shadows
Use FPS class
Use onclick for controls
PolarLine.fromCartesian now is proper
Python: Make stepping in easier

Q: What compels you to do this?
A: Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn
Python: Allow no argument name list for DEF

Q: When will he awake
A: Soon, my child
Silly test fix