Tue, 16 Oct 2012 18:56:03 +0100 Mario de Sousa New visitor classes missing from previous commit.
Tue, 16 Oct 2012 18:23:16 +0100 Mario de Sousa Remove line printing debug info.
Tue, 16 Oct 2012 18:06:32 +0100 Mario de Sousa Add classes to print status of AST (use only for debugging!)