added SourcesOptions addon
now SourcesOptions behaves like a Hash
Merge branch 'master' into feature/source-options
added newline at end of file
Merge pull request #6 from matthieu-foucault/feature/cloc-per-file

Feature/cloc per file
Merge pull request #7 from matthieu-foucault/feature/source-options

Feature/source options
fix bugs in ClocByFile and use --by-file option of cloc