Translate builtins stubs to new syntax
Add minimal abc module stubs
Add typing module stubs
Clean up driver a bit
Do no translation to Python in driver

The new syntax is compatible with Python so no translation is needed.
Update greet sample to use new syntax
Update class sample to use new syntax
Import typing in samples
Translate sys stubs to new syntax
Translate os, os.path and io stubs to new syntax
Translate 'random' stubs to new syntax
Translate glob stubs to new syntax
Translate re stubs to new syntax
Translate cmdline example to new syntax
Translate 'files' example to new syntax
Translate itertools stubs to new syntax
Translate generators example to new syntax
Translate guess example to static typing
Translate itertool example to new syntax
Translate regexp example to new syntax