Add a section for official guides.
Add another official resource to the ruby document.
Add a link to C Programming Notes.
Add a section for Artificial Intelligence with a link about Behavior Trees.
Add links to various sets of programming problems (Haskell, Lisp, Prolog).
Add the 99 Haskell Problems to the Haskell section.
Add 99 Lisp Problems to the Lisp section.
Add a Prolog section with a link to the 99 Prolog Problems.
Add a link about writing a good README file.