fix  macosx issue with buenos_aires timezone
# build a faster version of getting local zone instead of 3.5 seconds it takes .001 seconds based on pyobjc corefoundation which we use anyway
Revert "# build a faster version of getting local zone instead of 3.5 seconds it takes .001 seconds based on pyobjc corefoundation which we use anyway"

This reverts commit f3333545f84aa8f49188a4d60692e94709f94966.
Merge pull request #12 from acclivity/master

Issues with Timezones that has 3 items like 'America/Indiana/Indianapolis on Mac OS  X
Updated changes.
Updated the Windows TZ file.
Cleanup (mostly whitespace)
Now doesn't fail if the TZ environment variable isn't an Olsen time zone.
Ignore empty timezones on Windows
Forgot to add the contributor
Preparing for release.
Preparing release 1.1.2
Back to development: 1.1.3
Dammit...