structure. timeval.tv_sec is a long on Windows, not time_t.

gmtime() failure on Windows

and datetime.datetime.utcfromtimestamp() now raise an OSError instead of
ValueError if localtime() or gmtime() failed.

Patch by Roger Serwy.

Patch by Roger Serwy.

Patch by Guilherme Polo and Andrew Svetlov.

Patch by Guilherme Polo and Andrew Svetlov.

Mac OS X to prevent interpreter crashes when compiled on 10.7.

Use volatile keyword to disable localy unsafe float optimizations.

time.ctime(), gmtime(), time.localtime(), datetime.date.fromtimestamp(),
datetime.datetime.fromtimestamp() and datetime.datetime.utcfromtimestamp() now
raises an OverflowError, instead of a ValueError, if the timestamp does not fit
in time_t.

datetime.datetime.fromtimestamp() and datetime.datetime.utcfromtimestamp() now
round microseconds towards zero instead of rounding to nearest with ties going
away from zero.

Patch by Tatiana Al-Chueyr.

Tkinter.Variables; harmonize exceptions to ValueError; only delete variables
that have not been deleted; assert that variable names are strings
Patch by Andrew Svetlov.