3.3.0 Adding response headers to errors

Adding the collection of response headers to the errors and failures.

3.2.0

Merge pull request #222 from kevinmatter/add-get-order-coupons

add getOrderCoupons

3.1.1

Merge pull request #217 from bookernath/bump-min-php-56

Bump min PHP to 7.0, start running tests on 7.1 and 7.2

3.1.0

Merge pull request #208 from BVMiko/master

Support newer versions of firebase/php-jwt

Adding methods to API client

Merge pull request #179 from bc-joshroe/api-fix-1

BIG-16297 - Adding some methods to the API Client

STDIN Fix

Merge pull request #174 from bc-ruth/OMNI-1167

Revert https://github.com/bigcommerce/bigcommerce-api-php/pull/155

Add product image

Merge pull request #173 from bc-ruth/OMNI-1259

OMNI-1259 Expose product image resource to Client API

Add currency support

Merge pull request #170 from bc-ruth/OMNI-1024

OMNI-1024 Expose currencies v2 resource to Client API

3.0.2

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

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

3.0.1

fix for #92