Add .fpc-incompatbile and .no-gen-output to avoid generating output files

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add test #29 (labels)

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Remove trailing spaces in test #29

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add -Z option (ignore trailing spaces) to diff in test.sh

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add labels (goto) functionality

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>