Fetching data fails everything except XGrid (Northwind Orders Entity Set)

[mddifilippo89]

DataPresenter project fails on ever source provider
XGrid only loads Northwind Orders

Exceptions are thrown in output window for failed providers:
Exception thrown: 'Simple.OData.Client.WebRequestException' in Simple.OData.Client.Core.dll
Exception thrown: 'Simple.OData.Client.WebRequestException' in mscorlib.dll
Exception thrown: 'Simple.OData.Client.WebRequestException' in mscorlib.dll
Exception thrown: 'Simple.OData.Client.WebRequestException' in Simple.OData.Client.Core.dll
Exception thrown: 'Simple.OData.Client.WebRequestException' in mscorlib.dll
Exception thrown: 'Simple.OData.Client.WebRequestException' in mscorlib.dll
Exception thrown: 'Simple.OData.Client.WebRequestException' in mscorlib.dll
Exception thrown: 'Simple.OData.Client.WebRequestException' in mscorlib.dll
Exception thrown: 'System.AggregateException' in mscorlib.dll

[HuntJason]

I can't even see it working for Northwind Orders.