bugfix: dxf_cross() on file-not-found
Some expressions didn't support toString, which caused an assertion failure. Part of #384
Dump the else part of if-else blocks if it has any content. Part of #384
Added some missing functions and modules
Assign function results to different variables to improve test coverage
Added resize() and improved if test
Improved if-else test to include a multiple-children test
Added moduledumptest. Fixes #384