Merge debugging changes in make_zip back into develop

utils/prepare_zip_file.py

@@ -12,6 +12,7 @@ from refutils import (base_to_hs2, base_to_step, base_to_turb, delete_dlls,
 if __name__ == '__main__':
     # get ref name
     ci_ref = sys.argv[1]
+    print(f'Preparing zip file for {ci_ref}...')
     # script inputs
     mod_dir = '../dtu-10mw-rwt/'  # must end with slash
     zip_name = f'../dtu-10mw-rwt-{ci_ref}'