Updated ClientDetail to set the ExpressRegionCode avoiding fedex errors.
Updated ClientDetail to set the ExpressRegionCode avoiding fedex errors.

AxiaCore/python-fedex,gtaylor/python-fedex,python-fedex-devs/python-fedex,obr/python-fedex,python-fedex-devs/python-fedex,AxiaCore/python-fedex,gtaylor/python-fedex,gtaylor/python-fedex,python-fedex-devs/python-fedex,python-fedex-devs/python-fedex,obr/python-fedex,gtaylor/python-fedex