[!B] Cleared the categorizer generator. Fixed some minor issus in catgen core.

1. In any way a new catgen will be written.
2. I want to refactor the catgen core lists into simple arrays.

Also: signature problems in catgen core public functions.
[!B,C] Removed not so useful doxygens.
Refactored catgen core into array style.
Rearranged directory structure.