+ added Session to FacebookWebAuthorizer and marked as obsolete to maintain compatibility with v5.0.3
+ added Session to FacebookWebAuthorizer and marked as obsolete to maintain compatibility with v5.0.3

facebook-csharp-sdk/facebook-csharp-sdk,facebook-csharp-sdk/facebook-csharp-sdk,ladyquartermaine/facebook-csharp-sdk,Ali-Shaltout/facebook-csharp-sdk,simpleverso/facebook-csharp-sdk,simpleverso/facebook-csharp-sdk,Ali-Shaltout/facebook-csharp-sdk,swiese/facebook-csharp-sdk,swiese/facebook-csharp-sdk,ladyquartermaine/facebook-csharp-sdk