Fedex

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* Made RateService_v16.wsdl point at ws.fedex.com instead of
wsbeta.fedex.com. Fixes issues in production. (ikks)

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* A quick PEP8 pass on most of the codebase. Yucky. (gtaylor)
* Changing recommended install method to use pip + PyPi. (radzhome)
* Updated rate_request and freight_rate_request examples for WSDL v16
compatibility. (foxxyz)
* Updated rate service WSDL from v8 to v16. (foxxyz)
* Added a freight rate request example (mwcbrent)
* Bump ShipService WSDL to v13. (mwcbrent)
* Update rate example to show multiple ServiceTypes. (danielatdattrixdotcom)

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* Re-licensed under BSD.

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* Forget that these ever existed.

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* Bug fix of a bug fix for regions config. (jcartmell)

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* Bug fix regarding regions and when they are sent. (jcartmell)