update refund gateway list
Added webhook endpoint re-enable clarification
Coupon subcodes API endpoint documentation
Merge pull request #63 from chargify/coupon-codes

Coupon subcodes API endpoint documentation
Typo fix
Merge pull request #64 from chargify/typo-fix-subcodes

Typo fix
remove components API deprecation warning
Upgrade grammatical issue
Update text based on customer feedback
Merge pull request #67 from adamfeber/patch-2

Update text based on customer feedback
Merge pull request #66 from adamfeber/patch-1

Upgrade grammatical issue