Commented Issue: HttpRequestMessageExtensions.GetQueryNameValuePairs returns IE which is re-evaluated every time it is accessed. [1590]

Re-evaluation causes the request URI to be re-parsed and new data created every time. It would be much better to not have the IE<T> be re-evaluated.
Comments: Fixed with 1c4e5a9846891e49233884fc96fb9bc4f90303d0