Python test suite. Specifically,
- import time instead of strop in test_b1
- test for ClassType of exceptions using isinstance instead of
equality in test_exceptions
- remove __builtins__ from dir() output in test_pkg
test_pkg output needs to be regenerated.
name as n'. By doing some twists and turns, "as" is not a reserved word.
There is a slight change in semantics for 'from module import name' (it will
now honour the 'global' keyword) but only in cases that are explicitly
undocumented.
