to return different information than the _sys_version() output
used in previous Python versions.
This also fixes issue5561: platform.python_version_tuple returns tuple of ints, should be strings
Added more tests for the various platform functions.
Turn them into unit tests, and correct an obvious typo:
(("a", "b") ("c", "d") ("e", "f"))
compiles even with the missing commas, but does not execute very well...
that function actually tests something on OSX).
- Add documentation to platform.mac_ver that explains why the middle element
of the return value will not contain useful information.