Ouput boolean values instead of strings
Ouput boolean values instead of strings

Options property should be serialized as boolean values and not the string counterpart, as that will throw a "field 'options.open_tracking' is of type 'string', but needs to be of type 'boolean'" error from the API.
darrencauthon/csharp-sparkpost,ZA1/csharp-sparkpost,SparkPost/csharp-sparkpost,kirilsi/csharp-sparkpost,kirilsi/csharp-sparkpost,darrencauthon/csharp-sparkpost