scheduled tasks should be executed or not.

test more reliable (= fail more often on Windows with HPET enabled).

_active shouldn't be cached, it set to None on shutdown.

_active shouldn't be cached, it set to None on shutdown.

Remove unused variables.

cleaning other modules.  The sys and builtins modules are cleaned last.

test_timeout_rounding() on Windows XP buildbots.

to reflect the fact that they only accept positional-only arguments.

now register both filenames in the exception on failure.
This required adding new C API functions allowing OSError exceptions
to reference two filenames instead of one.

Documented the AbstractEventLoopPolicy interface explicitly and explained the
relation between the global loop & policy access functions. Added an initial
section that explains the connections in general terms. Documented missing XXX
methods.

The decoder does not support partial decoding yet for this code page.

The new syntax is highly human readable while still preventing false
positives.  The syntax also extends Python syntax to denote "self" and
positional-only parameters, allowing inspect.Signature objects to be
totally accurate for all supported builtins in Python 3.4.

Process and Popen objects