Yet another emergency fix for #13803 bootstrap issue: Under Solaris, distutils doesn't include bitness in the directory name

Emergency fix for #13803 bootstrap issue: Under Solaris, distutils doesn't include bitness in the directory name

(prelude to issue #6531).

Patch by Oleg Plakhotnyuk.

changes).

Patch by Roger Serwy.

to a single #define instead of having several copies in several files.

This excludes the Modules/ tree (datetime and expat both have a copy
for their own purposes with no need for it to be the same).

Patch by Erno Tukia.

Issue13726 - Fix the  ambiguous -S flag in regrtest. It is -o/--slow for printing the 10 slowest test.

Close *13753 'seq' now 'iterable'

Issue9637 - Explain in getproxies_environment that <scheme>_proxy environ variable case does not matter.

in comparison string that argparse does not add when program name is blank.