properly handle the xml hash if only one order is returned#1

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mike-ball wants to merge 6 commits intoartisantech:masterfrom

mike-ball:master

Commits on May 29, 2013

uncommented params[:lists][:marketplace_id] to get it to work
mike-ball
committed

Commits on Jun 2, 2013

properly handle the xml hash if only one order is returned
mike-ball
committed

Commits on Jun 3, 2013

Commits on Jun 4, 2013

Added fulfillment class and methods for order_acknowledgement and shipping_confirmation
mike-ball
committed

Commits on Aug 12, 2016

Digest::Digest is deprecated; using Digest
mike-ball
committed