anaisbetts

/// <summary>
/// Sends an HTTP request and attempts to cancel the request as soon as
/// possible if requested to do so.
/// </summary>
/// <param name="request">The HTTP request to make</param>
/// <param name="shouldFetchContent">If given, this predicate allows you 
/// to cancel the request based on the returned headers. Return false to
/// cancel reading the body</param>>
/// <returns>A tuple of the HTTP Response and the full message 
/// contents.</returns>