Python 2.7 lib stub fixes
Move typing module to lib-typing/3.2
Copy 3.2 typing as the basis for 2.7
Run 3to2
Clean up and fix 2.7 typing module
Fixes to 2.7 typing.Undefined
Skip overloading test cases

Overloading is not supported in Python 2 yet.
Make register xrange as a subtype of Sequence
Fix test case
Fix Python 2 typing.Iterator
Remove SupportsRound from Python 2 typing

It seems that the values accepted by round() was changed in Python 3.
Add setup.py for Python 2.x typing module
Add xrange to 2.7 stubs
Write errors to stderr

Close #199.
Add docstring
Support running Python 2.x evaluation test cases
Add Python 2 evaluation test case
Copy 3.2 stubs for sys to 2.7
Fixes to 2.7 sys stubs
Add Python 2 range/xrange test case