Fixed CreditCardFilter so it actually scrubs the data and doesn't suffer from ArgumentOutOfRangeException problems.
Fixed CreditCardFilter so it actually scrubs the data and doesn't suffer from ArgumentOutOfRangeException problems.

asbjornu/raven-csharp,webaction/raven-csharp,xpicio/raven-csharp,getsentry/raven-csharp,xpicio/raven-csharp,getsentry/raven-csharp,getsentry/raven-csharp