v5.6.0

Added

• Specify which character set to use when uploading documents (thanks @quazardous!)
• New Product Pricing API V2022-05-01 (fixes #484)
• Update Orders API

Changed

• Updated documentation for the Finances, Catalog Items, and EasyShip APIs

Fixed

• 404 in README (fixes #483)

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Full Changelog: v5.5.4...v5.6.0