Access token branch saif

FIles To Review

1..AccessTokenDataBase.cs
2..CustomException.cs
3.IAccessToken.cs
4.TokenAccessService.svc
5.AccessTokenFixture.cs

This is an excellent example of an overly wide try catch. Is the exception you are expecting to be raised from GetToken() or IsTokenReleased(). From a contract perspective, both could potentially raise this exception.