Support WinHTTP redirect options

[garethsb]

I was looking for WinHttpPAL support for WINHTTP_OPTION_REDIRECT_POLICY and WINHTTP_OPTION_MAX_HTTP_AUTOMATIC_REDIRECTS in order to fully implement configurable redirection for microsoft/cpprestsdk#1328.

Is it possible?

[franksinankaya]

for some reason, I never got notified on this. Apologies.