Add support for includepkgs and excludepkgs in repository definitions
Test the rendering of includepkgs and excludepkgs
Merge pull request #5 from piojo/spma-include-exclude

Handle includepkgs and exlude entries in repositories.
Fix the path to the documented example.

Thanks to @iancollier for the report.
Add an example of how to create ini-like files
Merge pull request #6 from piojo/metaconfig-docs

Improve ncm-metaconfig's documentation.