Add method to control urls

Merge pull request #42 from 2e3s/master

Set custom URL

Blacklists and Organizations

Merge pull request #41 from dara123/master

Modify blacklist and add organization

Bugfix: lead-sources endpoint

Fix lead-sources endpoint for PUT and GET request.

Add customer attribute to payment resource

Merge pull request #39 from Rebilly/add-customer-to-payment

Add customer attribute to payment resource

gitattributes to ignore dev files

Ignore dev files upon export.

Minor update

This is a minor update that includes minor documentation fixes.

Dispute resource

Added class for the dispute resource.

Fix php 5.3 compatibility

This version fixes php 5.3 compatibility.

bugfix deliveryContact

Changed attribute to match api for subscription resource: deliveryContact instead fo deliveryAddress.

Updated for API v2.1

Updated the library to include a v2.1 interface.