export_writer can now produce .dat information too, needs testing as ever
export_writer can now produce .dat information too, needs testing as ever


git-svn-id: 5a37a3daec78b6d0c923b0309acb01b87b6c30b5@43 741c516a-3ba6-4fa8-b112-5c51f26a88df

tbentropy/tilecutter,tbentropy/tilecutter,tbentropy/tilecutter,tbentropy/tilecutter