Comments inutilizate functions

Comments functions "procura_cat" and "compara_parametros_proc_func"

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>
Change way to work with find symbols

Include node of the symbols that have information
about symbols.
Change function "procura_cat" by "procura_simb".
Include put and get of stack "num_parametros".
Correct error messages.

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>
Update test to check error message and stack is working

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>
Execute make

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>