For QBD an address may NOT be provided and a customer can be created
(no 'Addresses' XML node in POST request). If
an address is provided it must NOT be empty. See discussion here
https://github.com/ruckus/quickeebooks/pull/91
Merge pull request #125 from minimul/cannot-send-empty-address-qbd

For QBD an address may NOT be provided and a customer can be created
Add the ability to query sync responses using the NgIdSet method. See
more at
https://developer.intuit.com/docs/95_deprecated/qbd_v2/qbd_v2_reference/0600_object_reference/syncstatus

Note: I am submitting this because I can't get the SyncStatusParam
method to work, which Intuit themselves acknowledge this to be the case
for QBD v2. The NgIdSet method does work based on my live testing
results.
Merge pull request #126 from minimul/sync-status

Add the ability to query sync responses using the NgIdSet method. See
Add the post/get request XML to the exception. Being able to see the
request XML can greatly speed up troubleshooting.
Merge pull request #128 from minimul/add-request-xml-to-exception

Add the post/get request XML to the exception. Being able to see the