[http] improve pathinfo compuatation and let it make use of our stat()-cache
[http] improve pathinfo compuatation and let it make use of our stat()-cache

christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,xzero/x0,christianparpart/x0,xzero/x0,xzero/x0