* Improve checking of import paths Signed-off-by: Nick Cameron <nrc@ncameron.org> * Import path kinds in AST Signed-off-by: Nick Cameron <nrc@ncameron.org> * Use import statement for foreign files Signed-off-by: Nick Cameron <nrc@ncameron.org> --------- Signed-off-by: Nick Cameron <nrc@ncameron.org>