setup.sh: create_cred() takes password, added verify_password()
t0100-insert-tests.sh: Fixed typo with $TEST_PASSWORD
t0100-insert-tests.sh: Use verify_password()
t0100-insert-tests.sh: 'insert -e' now working. Not sure what fixed.
new file: t0200-edit-tests.sh and FAKE_EDITOR_PASSWORD_CHANGE support