Thanks... I've just finished the DSL together with Paniz and Anderson.
Here you go!
https://github.com/caelum/tokamak/tree/dsl
And also another one refactoring the static code:
https://github.com/abril/tokamak/pull/15
Regards
Guilherme Silveira
Caelum | Ensino e Inovação
http://www.caelum.com.br/