Some bug fixes for WCF Data Services Toolkit

Batch update - in original version only one item per update could be updated (even for batch updates)

Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
Properties		Properties
Providers		Providers
QueryModel		QueryModel
ServiceModel		ServiceModel
.gitignore		.gitignore
DataServiceConfigurationExtensions.cs		DataServiceConfigurationExtensions.cs
DataServiceExtensions.cs		DataServiceExtensions.cs
DataServiceRouteExtensions.cs		DataServiceRouteExtensions.cs
EnableOutputCacheAttribute.cs		EnableOutputCacheAttribute.cs
HttpDataServiceRequestExtensions.cs		HttpDataServiceRequestExtensions.cs
Microsoft.Data.Services.Toolkit.csproj		Microsoft.Data.Services.Toolkit.csproj
ODataService.cs		ODataService.cs
README.md		README.md
Settings.StyleCop		Settings.StyleCop
UrlSanitizer.cs		UrlSanitizer.cs
UrlSettingsAttribute.cs		UrlSettingsAttribute.cs

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