Creates a new shapefile by re-projecting the current one:
http://www.mapwindow.org/documentation/mapwingis4.9/group__shapefile__geoprocessing.html#gaa248de52c40fadf103ce50d3c349d6da
http://www.mapwindow.org/documentation/mapwingis4.9/group__shapefile__geoprocessing.html#gaa248de52c40fadf103ce50d3c349d6da