Version Bump v7.0.0: full v3 Web API support
Version Bump v7.0.0: full v3 Web API support

sendgrid/sendgrid-csharp,dubrovkinmaxim/sendgrid-csharp,dubrovkinmaxim/sendgrid-csharp,sendgrid/sendgrid-csharp,sendgrid/sendgrid-csharp