- template_to_source() utility function will apply .format( vars ) only if the
  source template file ends with .tmpl, otherwise the template file will be
  copied as it is from source to destination.
- Added 3-way merge library routine for scaffolding.
- template_to_source() library API from scaffolding will now accept ``force``
  and ``verbose`` key-word option.
Preparing for release 0.42dev
Preparing for release 0.42dev
Preparing for release 0.42dev
Release checking.
Preparing for release 0.42dev
Preparing for 0.42dev release
Added tag 0.42dev for changeset 473ebc74792e