Added checking if curl === 0 for deserialized object. If curl is an object but has no handle the value 0 is returned.
Added checking if curl === 0 for deserialized object. If curl is an object but has no handle the value 0 is returned.

intuit/QuickBooks-V3-PHP-SDK,intuit/QuickBooks-V3-PHP-SDK,intuit/QuickBooks-V3-PHP-SDK