Include read "goto" and generate MEPA code

Problem identificate is when has "goto R" before
"R : statement", because we don´t know what´s value
of "nivel lexico" of destination.

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>
Update to check read "goto" with MEPA code generate

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

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