By Adam Wilmoth Business Editor awilmoth@oklahoman.comOil companies continue to increase U.S. oil exports in a move that is rewriting global energy and shipping maps. The latest evidence came this week when the U.S. Energy Information Administration said the United States imported no Kuwaiti crude for four weeks through late September, marking the first such stretch since 1993, following Saddam Hussein's invasion of Kuwait and the first Gulf War. This time, the drop in U.S.