Bump version 4.3.2

support for application credit resource

Merge pull request Shopify#280 from Shopify/version-4.3.0

Bump to version 4.3.0

Merge pull request Shopify#272 from Shopify/bump-shopify-4.2.2

Bump version to 4.2.2

Merge pull request Shopify#271 from Shopify/bump-version-4-1-2

Bumps version to 4.2.1

Release 4.2.0

Version 4.1.1

add ShopifyAPI::UsageCharge resource

Merge pull request Shopify#223 from Shopify/api_bump

version bump to 4.0.7

Merge pull request Shopify#223 from Shopify/api_bump

version bump to 4.0.7