port 443 as usable elixir_auth_google.ex

In my project i used port 443, so each time i was a trying to access it via this port the connection was blocked.
This solution mighty be simple but it works.
need to do: add error handler case server is using lets say port 4000 or 4001.

Author: fabricedge

lib/elixir_auth_google.ex

@@ -26,7 +26,7 @@ defmodule ElixirAuthGoogle do
   `get_baseurl_from_conn/1` derives the base URL from the conn struct
   """
   @spec get_baseurl_from_conn(conn) :: String.t()
-  def get_baseurl_from_conn(%{host: h, port: p, scheme: s}) when p != 80 do
+  def get_baseurl_from_conn(%{host: h, port: p, scheme: s}) when p != 80 || !=443 do
     "#{Atom.to_string(s)}://#{h}:#{p}"
   end