Moving get-lg-conf in a utils module
Flattening after selecting the different fields of a card
Cleaning up useless let
Add support for Snowball stemmers. (more stemmers needed though...)
Add article retrieval based on language and age of the article.
Makes url->path conversion a helper function. (called elsewhere)
Adding a home made tokenizer for now. (probably some lib out there to do it as well, but might need customization for some languages.)