Merge pull request bigcommerce#163 from bc-bfenton/API-94

API-94 - adding else case to switch back to JSON mode if useXml is false

Merge pull request bigcommerce#162 from zvuki/API-16

API-16 fix for SkuOption error on Sku resource

Merge pull request bigcommerce#145 from aleachjr/update-readme

update readme to include oauth connection information

Merge pull request bigcommerce#145 from aleachjr/update-readme

update readme to include oauth connection information

Merge pull request bigcommerce#143 from bc-bfenton/oauth

Reimplementing PR 88 with corrections for underlying code drift

Merge pull request bigcommerce#140 from bc-ravijayaramappa/BIG-17565

BIG-17565 Add function to remove a header from Connection object.

Merge pull request bigcommerce#129 from aleachjr/add-coupon-count

BIG-16447: add coupon count method

Merge pull request bigcommerce#126 from bc-joshroe/api-fix-1

Adding Order Shipment and Shipping Address methods

Merge pull request bigcommerce#125 from bc-joshroe/api-fix-1

Adding deleteAllOrders and getOrderProductsCount

Merge pull request bigcommerce#124 from bc-joshroe/api-fix-1

Adding getOrderStatus