Set default filename, fix tests that need to run without opening a
default file.
 - Add option -n/--nofile
 - New test test_load_default_nosuch
Add test_load_default_gpg(), arrange tests closer to run order.
Implement test logging.
 - .gitignore: don't list *.log files in status output
 - clps.py: specify the file for logging tests
 - testhelp.py: add support for test logging
 - toolframe.py: adjustments to work with testhelp.py changes
Arranging tests in the order they run in.