PowerCLI 6.3 changes with VimClient.Connect() for C# - SSL/TLS Error

I have been developing a c# app and was using the VMWare.Vim DLL from PowerCLI 6.0. I updated my PowerCLI and now i am unable to connect to the vCenter. The connection now throws an error of "The underlying connection was closed: could not establish trust relationship for the SSL/TLS secure channel". I never had this problem before i upgraded PowerCLI. Is there a way to disable checking the certificate?

Thanks